AMD Radeon RX 7900 XTX vs AMD Radeon RX Vega 56

VS

AMD Radeon RX 7900 XTX AMD Radeon RX Vega 56

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 8GB VRAM Radeon RX Vega 56 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Released 5 years and 3 months late

Boost Clock has increased by 70% (2498MHz vs 1471MHz)

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (960.0GB/s vs 409.6GB/s)

2560 additional rendering cores

AMD Radeon RX Vega 56 's Advantages

Lower TDP (210W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +482%

61.39 TFLOPS

Radeon RX Vega 56

10.54 TFLOPS

3DMark Time Spy

Radeon RX 7900 XTX +343%

30475

Radeon RX Vega 56

6876

Shadow of the Tomb Raider 2160p

Radeon RX 7900 XTX +323%

127

Radeon RX Vega 56

30

Shadow of the Tomb Raider 1440p

Radeon RX 7900 XTX +300%

228

Radeon RX Vega 56

57

Shadow of the Tomb Raider 1080p

Radeon RX 7900 XTX +256%

310

Radeon RX Vega 56

87

GTA 5 2160p

Radeon RX 7900 XTX +280%

175

Radeon RX Vega 56

46

GTA 5 1440p

Radeon RX 7900 XTX +92%

175

Radeon RX Vega 56

91

GTA 5 1080p

Radeon RX 7900 XTX +72%

190

Radeon RX Vega 56

110

Radeon RX 7900 XTX

VS

Radeon RX Vega 56

Graphics Card

Nov 2022

Release Date

Aug 2017

Navi III

Generation

Vega

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1929 MHz

Base Clock

1156 MHz

2498 MHz

Boost Clock

1471 MHz

2500 MHz

Memory Clock

800 MHz

Memory

24GB

Memory Size

8GB

GDDR6

Memory Type

HBM2

384bit

Memory Bus

2048bit

960.0GB/s

Bandwidth

409.6GB/s

Render Config

-

SM Count

-

96

Compute Units

56

6144

Shading Units

3584

384

TMUs

224

192

ROPs

64

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

4 MB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

94.14 GPixel/s

959.2 GTexel/s

Texture Rate

329.5 GTexel/s

122.8 TFLOPS

FP16 (half)

21.09 TFLOPS

61.39 TFLOPS

FP32 (float)

10.54 TFLOPS

1.918 TFLOPS

FP64 (double)

659.0 GFLOPS

Graphics Processor

Navi 31

GPU Name

Vega 10

Navi 31 XTX (215-145000146)

GPU Variant

Vega 10 XL (215-0894216)

RDNA 3.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

12.5 billion

529 mm²

Die Size

495 mm²

Board Design

355W

TDP

210W

750 W

Suggested PSU

550 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

6.4

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