Radeon PRO W7900 Dual Slot vs Radeon RX Vega 56

AMD

Radeon PRO W7900 Dual Slot

2021Core: 1800 MHzBoost: 1967 MHz

Popular choices:

VS
AMD

Radeon RX Vega 56

2017Core: 1156 MHzBoost: 1471 MHz

Popular choices:

Performance Spectrum - GPU

About G3D Mark

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 PRO W7900 Dual Slot

2021

Why buy it

  • 34.4% more average FPS across 50 tracked games in our benchmark data.
  • More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.
  • More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.

Trade-offs

  • 776.9% HIGHER MSRP
    $3,499 MSRPvs$399 MSRP
  • Lower G3D Mark per dollar, at 3.8 vs 32.6 G3D/$ ($3,499 MSRP vs $399 MSRP).
  • 90.5% higher power demand at 400W vs 210W.

Radeon RX Vega 56

2017

Why buy it

  • Costs $3,100 less on MSRP ($399 MSRP vs $3,499 MSRP).
  • Delivers 766.6% more G3D Mark for each dollar spent, at 32.6 vs 3.8 G3D/$ ($399 MSRP vs $3,499 MSRP).
  • Draws 210W instead of 400W, a 190W reduction.

Trade-offs

  • Lower average FPS than Radeon PRO W7900 Dual Slot across 50 tracked games in our benchmark data.
  • Poor future-proofing: 2017-era hardware with 8 GB of VRAM is already a legacy-tier option for modern games.

Quick Answers

So, is Radeon PRO W7900 Dual Slot better than Radeon RX Vega 56?
Yes. Radeon PRO W7900 Dual Slot is clearly the better overall GPU here. Radeon PRO W7900 Dual Slot averages 34.4% more FPS across 50 tracked games in our benchmark data. You are also looking at 13,182 vs 13,026 in G3D Mark. On top of that, Radeon PRO W7900 Dual Slot is a 2021 card with FSR upscaling, while Radeon RX Vega 56 is a 2017 model from an older generation with FSR upscaling. So this is not really a tight same-tier comparison. It is more a modern card against an older, weaker alternative.
Which one is more future-proof for 2026 and beyond?
Radeon PRO W7900 Dual Slot is the more future-proof choice for 2026 and beyond. You are getting a newer 2021 generation instead of 2017, 100.0% more ray-tracing hardware, and a 7nm process instead of 14nm. That makes it the safer long-run choice for modern games.
Which one is the smarter buy today, not just the cheaper card?
Radeon PRO W7900 Dual Slot is the smarter buy by a wide margin. Radeon PRO W7900 Dual Slot is about 776.9% more expensive on MSRP at $3,499 MSRP versus $399 MSRP, and you are getting 34.4% more estimated average FPS across 50 tracked games in our benchmark data and 1.2% higher G3D Mark. Radeon RX Vega 56 really only makes sense now as a very cheap stopgap or a used-market placeholder.
Is Radeon RX Vega 56 still worth buying for gaming in 2026?
No, not for a fresh gaming build. Radeon RX Vega 56 is 2017 hardware with 8 GB of VRAM, 13,026 in G3D Mark, and FSR upscaling. That is simply too far behind to be an easy modern recommendation.

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.

Path of Exile 2

Path of Exile 2

PresetRadeon PRO W7900 Dual SlotRadeon RX Vega 56
1080p
low173 FPS126 FPS
medium154 FPS108 FPS
high134 FPS93 FPS
ultra114 FPS64 FPS
1440p
low144 FPS102 FPS
medium117 FPS85 FPS
high102 FPS66 FPS
ultra93 FPS46 FPS
4K
low91 FPS45 FPS
medium77 FPS39 FPS
high61 FPS28 FPS
ultra54 FPS24 FPS
Counter-Strike 2

Counter-Strike 2

PresetRadeon PRO W7900 Dual SlotRadeon RX Vega 56
1080p
low579 FPS286 FPS
medium475 FPS245 FPS
high390 FPS185 FPS
ultra297 FPS154 FPS
1440p
low397 FPS194 FPS
medium326 FPS168 FPS
high263 FPS136 FPS
ultra218 FPS109 FPS
4K
low159 FPS103 FPS
medium137 FPS87 FPS
high117 FPS72 FPS
ultra94 FPS56 FPS
League of Legends

League of Legends

PresetRadeon PRO W7900 Dual SlotRadeon RX Vega 56
1080p
low593 FPS586 FPS
medium475 FPS469 FPS
high395 FPS391 FPS
ultra297 FPS293 FPS
1440p
low445 FPS440 FPS
medium356 FPS352 FPS
high297 FPS293 FPS
ultra222 FPS220 FPS
4K
low297 FPS293 FPS
medium237 FPS234 FPS
high198 FPS195 FPS
ultra148 FPS147 FPS
Valorant

Valorant

PresetRadeon PRO W7900 Dual SlotRadeon RX Vega 56
1080p
low593 FPS271 FPS
medium475 FPS236 FPS
high395 FPS201 FPS
ultra297 FPS162 FPS
1440p
low445 FPS206 FPS
medium356 FPS184 FPS
high297 FPS157 FPS
ultra222 FPS126 FPS
4K
low297 FPS123 FPS
medium237 FPS108 FPS
high198 FPS84 FPS
ultra148 FPS68 FPS

Technical Specifications

Side-by-side comparison of Radeon PRO W7900 Dual Slot and Radeon RX Vega 56

AMD

Radeon PRO W7900 Dual Slot

The Radeon PRO W7900 Dual Slot is manufactured by AMD. It was released in August 3 2021. It features the RDNA 2.0 architecture. The core clock ranges from 1800 MHz to 1967 MHz. It has 3840 ×2 shading units. The thermal design power (TDP) is 400W. Manufactured using 7 nm process technology. It features 60 ×2 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,182 points. Launch price was $4,999.

AMD

Radeon RX Vega 56

The Radeon RX Vega 56 is manufactured by AMD. It was released in August 14 2017. It features the GCN 5.0 architecture. The core clock ranges from 1156 MHz to 1471 MHz. It has 3584 shading units. The thermal design power (TDP) is 210W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 13,026 points. Launch price was $399.

Graphics Performance

The Radeon PRO W7900 Dual Slot scores 13,182 and the Radeon RX Vega 56 reaches 13,026 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon PRO W7900 Dual Slot is built on RDNA 2.0 while the Radeon RX Vega 56 uses GCN 5.0, both on 7 nm vs 14 nm. Shader units: 3,840 (Radeon PRO W7900 Dual Slot) vs 3,584 (Radeon RX Vega 56). Raw compute: 15.11 TFLOPS ×2 (Radeon PRO W7900 Dual Slot) vs 10.54 TFLOPS (Radeon RX Vega 56). Boost clocks: 1967 MHz vs 1471 MHz.

FeatureRadeon PRO W7900 Dual SlotRadeon RX Vega 56
G3D Mark Score
13,182+1%
13,026
Architecture
RDNA 2.0
GCN 5.0
Process Node
7 nm
14 nm
Shading Units
3840 ×2+7%
3584
Compute (TFLOPS)
15.11 TFLOPS ×2+43%
10.54 TFLOPS
Boost Clock
1967 MHz+34%
1471 MHz
ROPs
96 ×2+50%
64
TMUs
240 ×2+7%
224
L1 Cache
768 KB
896 KB+17%
L2 Cache
4 MB
4 MB
Frame Generation
FSR upscaling + RSR
FSR upscaling

Advanced Features (DLSS/FSR)

FeatureRadeon PRO W7900 Dual SlotRadeon RX Vega 56
Upscaling Tech
FSR Upscaling / FSR 4
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
AMD Anti-Lag
AMD Anti-Lag
💾

Video Memory (VRAM)

Both cards feature 8 GB of video memory. Memory bandwidth: 864 GB/s (Radeon PRO W7900 Dual Slot) vs 410 GB/s (Radeon RX Vega 56) — a 110.7% advantage for the Radeon PRO W7900 Dual Slot. Bus width: 384-bit vs 2048-bit.

FeatureRadeon PRO W7900 Dual SlotRadeon RX Vega 56
VRAM Capacity
8 GB
8 GB
Memory Type
GDDR6
HBM2
Memory Bandwidth
864 GB/s+111%
410 GB/s
Bus Width
384-bit
2048-bit+433%
L2 Cache
4 MB
4 MB
🖥️

Display & API Support

DirectX support: 12.2 (Radeon PRO W7900 Dual Slot) vs 12 (12_1) (Radeon RX Vega 56). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

FeatureRadeon PRO W7900 Dual SlotRadeon RX Vega 56
DirectX
12.2+2%
12 (12_1)
Vulkan
1.3
1.3
OpenGL
4.6
4.6
Max Displays
4
4
🎬

Media & Encoding

Hardware encoder: VCN 4.0 (2x) (Radeon PRO W7900 Dual Slot) vs VCE 4.0 (Radeon RX Vega 56). Decoder: VCN 4.0 (2x) vs UVD 7.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Radeon PRO W7900 Dual Slot) vs H.264,H.265,VP9 (Radeon RX Vega 56).

FeatureRadeon PRO W7900 Dual SlotRadeon RX Vega 56
Encoder
VCN 4.0 (2x)
VCE 4.0
Decoder
VCN 4.0 (2x)
UVD 7.0
Codecs
MPEG-2,H.264,HEVC,VP9,AV1
H.264,H.265,VP9
🔌

Power & Dimensions

The Radeon PRO W7900 Dual Slot draws 400W versus the Radeon RX Vega 56's 210W — a 62.3% difference. The Radeon RX Vega 56 is more power-efficient. Recommended PSU: 500W (Radeon PRO W7900 Dual Slot) vs 650W (Radeon RX Vega 56). Power connectors: PCIe-powered vs 2x 8-pin. Card length: 280mm vs 280mm, occupying 2 vs 2 slots. Typical load temperature: 85°C vs 75.

FeatureRadeon PRO W7900 Dual SlotRadeon RX Vega 56
TDP
400W
210W-48%
Recommended PSU
500W-23%
650W
Power Connector
PCIe-powered
2x 8-pin
Length
280mm
280mm
Height
111mm
111mm
Slots
2
2
Temp (Load)
85°C
75-12%
Perf/Watt
33.0
62.0+88%
💰

Value Analysis

The Radeon PRO W7900 Dual Slot launched at $3499 MSRP, while the Radeon RX Vega 56 launched at $399. The Radeon RX Vega 56 costs 88.6% less ($3100 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 3.8 (Radeon PRO W7900 Dual Slot) vs 32.6 (Radeon RX Vega 56) — the Radeon RX Vega 56 offers 757.9% better value. The Radeon PRO W7900 Dual Slot is the newer GPU (2021 vs 2017).

FeatureRadeon PRO W7900 Dual SlotRadeon RX Vega 56
MSRP
$3499
$399-89%
Performance per Dollar
3.8
32.6+758%
Codename
Navi 21
Vega 10
Release
August 3 2021
August 14 2017
Ranking
#157
#199