Radeon 680M vs T400 4GB

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.

Radeon 680M

2023

Why buy it

✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.
✅Measures 1mm instead of 156mm, a 155mm shorter card that is more SFF-friendly.
✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.

Trade-offs

❌Lower G3D Mark per dollar, at 0 vs 23.9 G3D/$ (Unknown MSRP vs $159 MSRP).
❌66.7% higher power demand at 50W vs 30W.

T400 4GB

2021

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 23.9 vs 0 G3D/$ ($159 MSRP vs Unknown MSRP).
✅Draws 30W instead of 50W, a 20W reduction.

Trade-offs

❌Limited future-proofing: older hardware, 2 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.
❌15500% longer card at 156mm vs 1mm.

Radeon 680M

2023

T400 4GB

2021

Why buy it

✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.
✅Measures 1mm instead of 156mm, a 155mm shorter card that is more SFF-friendly.
✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 23.9 vs 0 G3D/$ ($159 MSRP vs Unknown MSRP).
✅Draws 30W instead of 50W, a 20W reduction.

Trade-offs

❌Lower G3D Mark per dollar, at 0 vs 23.9 G3D/$ (Unknown MSRP vs $159 MSRP).
❌66.7% higher power demand at 50W vs 30W.

Trade-offs

❌Limited future-proofing: older hardware, 2 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.
❌15500% longer card at 156mm vs 1mm.

Quick Answers

So, is Radeon 680M better than T400 4GB?

Yes, but this is not really about a huge raw performance gap. The broader synthetic picture is also very close at 3,836 vs 3,803 in G3D Mark. The bigger reason to prefer Radeon 680M is the overall package: you are getting a newer generation, FSR upscaling.

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

Radeon 680M is the more future-proof choice for 2026 and beyond. You are getting a newer 2023 generation instead of 2021, better upscaling support with FSR Upscaling / FSR 4 (2025) instead of no meaningful modern upscaling stack, and a 6nm process instead of 12nm. That broader feature stack should age better as more games lean on modern upscaling and frame-generation support.

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

T400 4GB can still make sense if you find it at the right price, especially around $159 MSRP. Radeon 680M is still the smarter buy for most people, though, because the raw performance is close while the overall package is cleaner. Radeon 680M is priced in an unclear MSRP range at an unclear MSRP versus $159 MSRP, and you are getting 0.9% higher G3D Mark. Moving to an unclear MSRP gets you newer hardware, and FSR upscaling.

Is T400 4GB still worth buying for gaming in 2026?

Yes. T400 4GB 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 $159 MSRP, it remains a very sensible buy. Radeon 680M 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.

Radeon 680M Benchmark Check

T400 4GB Benchmark Check

Path of Exile 2

Preset	Radeon 680M	T400 4GB
1080p
low	127 FPS	35 FPS
medium	113 FPS	22 FPS
high	94 FPS	14 FPS
ultra	70 FPS	8 FPS
1440p
low	111 FPS	21 FPS
medium	93 FPS	13 FPS
high	76 FPS	6 FPS
ultra	57 FPS	4 FPS
4K
low	47 FPS	8 FPS
medium	44 FPS	6 FPS
high	32 FPS	3 FPS
ultra	28 FPS	2 FPS

Open Radeon 680M Open T400 4GB

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Radeon 680M	T400 4GB
1080p
low	161 FPS	48 FPS
medium	128 FPS	26 FPS
high	95 FPS	19 FPS
ultra	63 FPS	12 FPS
1440p
low	107 FPS	14 FPS
medium	82 FPS	9 FPS
high	62 FPS	6 FPS
ultra	45 FPS	5 FPS
4K
low	54 FPS	5 FPS
medium	43 FPS	3 FPS
high	34 FPS	3 FPS
ultra	22 FPS	2 FPS

Open Radeon 680M Open T400 4GB

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Radeon 680M	T400 4GB
1080p
low	173 FPS	171 FPS
medium	138 FPS	137 FPS
high	115 FPS	114 FPS
ultra	86 FPS	86 FPS
1440p
low	129 FPS	128 FPS
medium	104 FPS	103 FPS
high	86 FPS	86 FPS
ultra	65 FPS	64 FPS
4K
low	86 FPS	86 FPS
medium	69 FPS	68 FPS
high	58 FPS	57 FPS
ultra	43 FPS	43 FPS

Open Radeon 680M Open T400 4GB

League of Legends

League of Legends

Valorant

Preset	Radeon 680M	T400 4GB
1080p
low	173 FPS	170 FPS
medium	138 FPS	137 FPS
high	115 FPS	114 FPS
ultra	86 FPS	86 FPS
1440p
low	129 FPS	116 FPS
medium	104 FPS	94 FPS
high	86 FPS	81 FPS
ultra	65 FPS	61 FPS
4K
low	86 FPS	69 FPS
medium	69 FPS	53 FPS
high	58 FPS	43 FPS
ultra	43 FPS	30 FPS

Open Radeon 680M Open T400 4GB

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Radeon 680M and T400 4GB

Radeon 680M

The Radeon 680M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 2000 MHz to 2200 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 6 nm process technology. It features 12 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 3,836 points.

T400 4GB

The T400 4GB is manufactured by an unknown manufacturer. It was released in May 6 2021. It features the Turing architecture. The core clock ranges from 420 MHz to 1425 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 12 nm process technology. G3D Mark benchmark score: 3,803 points.

⚡

Graphics Performance

The Radeon 680M scores 3,836 and the T400 4GB reaches 3,803 in the G3D Mark benchmark — just a 0.9% difference, making them near-identical in rasterization performance. The Radeon 680M is built on RDNA 2.0 while the T400 4GB uses Turing, both on 6 nm vs 12 nm. Shader units: 768 (Radeon 680M) vs 384 (T400 4GB). Raw compute: 3.379 TFLOPS (Radeon 680M) vs 1.094 TFLOPS (T400 4GB). Boost clocks: 2200 MHz vs 1425 MHz.

Feature	Radeon 680M	T400 4GB
G3D Mark Score	3,836	3,803
Architecture	RDNA 2.0	Turing
Process Node	6 nm	12 nm
Shading Units	768+100%	384
Compute (TFLOPS)	3.379 TFLOPS+209%	1.094 TFLOPS
Boost Clock	2200 MHz+54%	1425 MHz
ROPs	32+100%	16
TMUs	48+100%	24
L1 Cache	256 KB	384 KB+50%
L2 Cache	2 MB+100%	1 MB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon 680M	T400 4GB
Upscaling Tech	FSR Upscaling / FSR 4	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	Standard

💾

Video Memory (VRAM)

Both cards feature 2 GB of video memory. Bus width: System vs 64-bit. L2 Cache: 2 MB (Radeon 680M) vs 1 MB (T400 4GB) — the Radeon 680M has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon 680M	T400 4GB
VRAM Capacity	2 GB	2 GB
Memory Type	Shared	GDDR5
Bus Width	System	64-bit
L2 Cache	2 MB+100%	1 MB

🖥️

Display & API Support

DirectX support: 12_2 (Radeon 680M) vs 12_0 (T400 4GB). Maximum simultaneous displays: 0 vs 3.

Feature	Radeon 680M	T400 4GB
DirectX	12_2	12_0
Max Displays	0	3

🎬

Media & Encoding

Hardware encoder: VCN 3.1 (Radeon 680M) vs NVENC 7th Gen (T400 4GB). Decoder: VCN 3.1 vs NVDEC 4th Gen.

Feature	Radeon 680M	T400 4GB
Encoder	VCN 3.1	NVENC 7th Gen
Decoder	VCN 3.1	NVDEC 4th Gen

🔌

Power & Dimensions

The Radeon 680M draws 50W versus the T400 4GB's 30W — a 50% difference. The T400 4GB is more power-efficient. Recommended PSU: 350W (Radeon 680M) vs 350W (T400 4GB). Power connectors: PCIe-powered vs PCIe-powered. Card length: 1mm vs 156mm, occupying 0 vs 1 slots.