G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.

GRID P40-8Q

2015

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.
❌Poor future-proofing: 2015-era hardware with 4 GB of VRAM is already a legacy-tier option for modern games.
❌
400% HIGHER MSRP
$3,000 MSRPvs$600 MSRP
❌Lower G3D Mark per dollar, at 2.5 vs 12.6 G3D/$ ($3,000 MSRP vs $600 MSRP).
❌50% higher power demand at 225W vs 150W.

Radeon Pro 580X

2019

Why buy it

✅Costs $2,400 less on MSRP ($600 MSRP vs $3,000 MSRP).
✅Delivers 402.2% more G3D Mark for each dollar spent, at 12.6 vs 2.5 G3D/$ ($600 MSRP vs $3,000 MSRP).
✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).
✅Less risky long-term buy than GRID P40-8Q: it remains the more sensible modern option while GRID P40-8Q is already legacy-tier future-proofing.
✅Draws 150W instead of 225W, a 75W reduction.

Trade-offs

❌Limited future-proofing: older hardware, 8 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.

GRID P40-8Q

2015

Radeon Pro 580X

2019

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Why buy it

✅Costs $2,400 less on MSRP ($600 MSRP vs $3,000 MSRP).
✅Delivers 402.2% more G3D Mark for each dollar spent, at 12.6 vs 2.5 G3D/$ ($600 MSRP vs $3,000 MSRP).
✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).
✅Less risky long-term buy than GRID P40-8Q: it remains the more sensible modern option while GRID P40-8Q is already legacy-tier future-proofing.
✅Draws 150W instead of 225W, a 75W reduction.

Trade-offs

❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.
❌Poor future-proofing: 2015-era hardware with 4 GB of VRAM is already a legacy-tier option for modern games.
❌
400% HIGHER MSRP
$3,000 MSRPvs$600 MSRP
❌Lower G3D Mark per dollar, at 2.5 vs 12.6 G3D/$ ($3,000 MSRP vs $600 MSRP).
❌50% higher power demand at 225W vs 150W.

Trade-offs

❌Limited future-proofing: older hardware, 8 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.

Quick Answers

So, is Radeon Pro 580X better than GRID P40-8Q?

Yes, but this is not really about a huge raw performance gap. The broader synthetic picture is also very close at 7,507 vs 7,540 in G3D Mark. The bigger reason to prefer Radeon Pro 580X is the overall package: you are getting a newer generation, FSR upscaling, plus much lower power draw (150W vs 225W).

Which one is more future-proof for 2026 and beyond?

Radeon Pro 580X is the more future-proof choice for 2026 and beyond. You are getting a newer 2019 generation instead of 2015, more VRAM at 8 GB instead of 4 GB, better upscaling support with FSR Upscaling / FSR 4 (2025) instead of no meaningful modern upscaling stack, and a 14nm process instead of 28nm. That extra memory headroom makes it the safer pick for newer games, heavier textures, and higher settings over time.

Which one is the smarter buy today, not just the cheaper card?

Radeon Pro 580X can still make sense if you find it at the right price, especially around $600 MSRP. Radeon Pro 580X is still the smarter buy for most people, though, because the raw performance is close while the overall package is cleaner. Radeon Pro 580X is about $2,400 cheaper on MSRP at $600 MSRP versus $3,000 MSRP, and you are getting 0.4% higher G3D Mark. Moving to $600 MSRP gets you newer hardware, lower power draw (150W vs 225W), and FSR upscaling.

Is GRID P40-8Q still worth buying for gaming in 2026?

Yes. GRID P40-8Q is still a strong gaming card in 2026: it is still comfortable for 1080p and decent for 1440p, though 4K is more situational. Price is really the swing factor here. If you find it at or below $3,000 MSRP, it remains a very sensible buy. Radeon Pro 580X is still the safer recommendation for most fresh builds because it offers a cleaner overall package with newer hardware and FSR upscaling.

Games Benchmarks

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 9800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

GRID P40-8Q Benchmark Check

Radeon Pro 580X Benchmark Check

Path of Exile 2

Preset	GRID P40-8Q	Radeon Pro 580X
1080p
low	104 FPS	104 FPS
medium	90 FPS	88 FPS
high	73 FPS	75 FPS
ultra	44 FPS	50 FPS
1440p
low	91 FPS	90 FPS
medium	80 FPS	75 FPS
high	58 FPS	57 FPS
ultra	33 FPS	37 FPS
4K
low	29 FPS	36 FPS
medium	27 FPS	32 FPS
high	18 FPS	21 FPS
ultra	16 FPS	17 FPS

Open GRID P40-8Q Open Radeon Pro 580X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GRID P40-8Q	Radeon Pro 580X
1080p
low	162 FPS	195 FPS
medium	128 FPS	169 FPS
high	94 FPS	134 FPS
ultra	75 FPS	107 FPS
1440p
low	119 FPS	137 FPS
medium	92 FPS	111 FPS
high	74 FPS	90 FPS
ultra	57 FPS	71 FPS
4K
low	68 FPS	74 FPS
medium	52 FPS	62 FPS
high	43 FPS	51 FPS
ultra	32 FPS	38 FPS

Open GRID P40-8Q Open Radeon Pro 580X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GRID P40-8Q	Radeon Pro 580X
1080p
low	338 FPS	339 FPS
medium	270 FPS	271 FPS
high	225 FPS	226 FPS
ultra	169 FPS	170 FPS
1440p
low	253 FPS	254 FPS
medium	203 FPS	204 FPS
high	169 FPS	170 FPS
ultra	127 FPS	127 FPS
4K
low	169 FPS	170 FPS
medium	135 FPS	136 FPS
high	113 FPS	113 FPS
ultra	84 FPS	85 FPS

Open GRID P40-8Q Open Radeon Pro 580X

League of Legends

League of Legends

Valorant

Preset	GRID P40-8Q	Radeon Pro 580X
1080p
low	182 FPS	240 FPS
medium	148 FPS	208 FPS
high	133 FPS	169 FPS
ultra	103 FPS	143 FPS
1440p
low	132 FPS	186 FPS
medium	110 FPS	163 FPS
high	99 FPS	128 FPS
ultra	77 FPS	105 FPS
4K
low	77 FPS	100 FPS
medium	60 FPS	81 FPS
high	49 FPS	63 FPS
ultra	36 FPS	50 FPS

Open GRID P40-8Q Open Radeon Pro 580X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GRID P40-8Q and Radeon Pro 580X

GRID P40-8Q

The GRID P40-8Q is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock ranges from 557 MHz to 1178 MHz. It has 2048 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 7,507 points.

Radeon Pro 580X

The Radeon Pro 580X is manufactured by AMD. It was released in March 18 2019. It features the GCN 4.0 architecture. The core clock ranges from 1100 MHz to 1200 MHz. It has 2304 shading units. The thermal design power (TDP) is 150W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,540 points.

⚡

Graphics Performance

The GRID P40-8Q scores 7,507 and the Radeon Pro 580X reaches 7,540 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The GRID P40-8Q is built on Maxwell 2.0 while the Radeon Pro 580X uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 2,048 (GRID P40-8Q) vs 2,304 (Radeon Pro 580X). Raw compute: 4.825 TFLOPS (GRID P40-8Q) vs 5.53 TFLOPS (Radeon Pro 580X). Boost clocks: 1178 MHz vs 1200 MHz.

Feature	GRID P40-8Q	Radeon Pro 580X
G3D Mark Score	7,507	7,540
Architecture	Maxwell 2.0	GCN 4.0
Process Node	28 nm	14 nm
Shading Units	2048	2304+13%
Compute (TFLOPS)	4.825 TFLOPS	5.53 TFLOPS+15%
Boost Clock	1178 MHz	1200 MHz+2%
ROPs	64+100%	32
TMUs	128	144+13%
L1 Cache	768 KB+33%	576 KB
L2 Cache	2 MB	2 MB

✨

Advanced Features (DLSS/FSR)

Feature	GRID P40-8Q	Radeon Pro 580X
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

💾

Video Memory (VRAM)

The GRID P40-8Q comes with 4 GB of VRAM, while the Radeon Pro 580X has 8 GB. The Radeon Pro 580X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.

Feature	GRID P40-8Q	Radeon Pro 580X
VRAM Capacity	4 GB	8 GB+100%
Memory Type	GDDR6	GDDR6
Bus Width	128-bit	128-bit
L2 Cache	2 MB	2 MB

🖥️

Display & API Support

DirectX support: 12.0 (GRID P40-8Q) vs 12.0 (Radeon Pro 580X). Vulkan: 1.1 vs 1.3. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 0 vs 4.

Feature	GRID P40-8Q	Radeon Pro 580X
DirectX	12.0	12.0
Vulkan	1.1	1.3+18%
OpenGL	4.5	4.6+2%
Max Displays	0	4

🎬

Media & Encoding

Hardware encoder: NVENC 4.0 (GRID P40-8Q) vs VCE 3.4 (Radeon Pro 580X). Decoder: PureVideo HD VP7 vs UVD 6.3. Supported codecs: MPEG-2,H.264,HEVC,VP9 (GRID P40-8Q) vs MPEG-2,H.264,HEVC (Radeon Pro 580X).

Feature	GRID P40-8Q	Radeon Pro 580X
Encoder	NVENC 4.0	VCE 3.4
Decoder	PureVideo HD VP7	UVD 6.3
Codecs	MPEG-2,H.264,HEVC,VP9	MPEG-2,H.264,HEVC

🔌

Power & Dimensions

The GRID P40-8Q draws 225W versus the Radeon Pro 580X's 150W — a 40% difference. The Radeon Pro 580X is more power-efficient. Recommended PSU: 350W (GRID P40-8Q) vs 350W (Radeon Pro 580X). Power connectors: PCIe-powered vs PCIe-powered. Card length: 267mm vs 0mm, occupying 2 vs 0 slots.

Feature	GRID P40-8Q	Radeon Pro 580X
TDP	225W	150W-33%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	267mm	0mm
Height	111mm	0mm
Slots	2	0-100%
Temp (Load)	—	85°C
Perf/Watt	33.4	50.3+51%

💰

Value Analysis

The GRID P40-8Q launched at $3000 MSRP, while the Radeon Pro 580X launched at $600. The Radeon Pro 580X costs 80% less ($2400 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 2.5 (GRID P40-8Q) vs 12.6 (Radeon Pro 580X) — the Radeon Pro 580X offers 404% better value. The Radeon Pro 580X is the newer GPU (2019 vs 2015).