AMD Radeon RX Vega 56 vs AMD Radeon RX 7900 XT

VS

AMD Radeon RX Vega 56 AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 and 20GB VRAM Radeon RX 7900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 's Advantages

Lower TDP (210W vs 300W)

AMD Radeon RX 7900 XT 's Advantages

Released 5 years and 3 months late

Boost Clock has increased by 63% (2394MHz vs 1471MHz)

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (800.0GB/s vs 409.6GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega 56

10.54 TFLOPS

Radeon RX 7900 XT +388%

51.48 TFLOPS

3DMark Time Spy

Radeon RX Vega 56

6876

Radeon RX 7900 XT +287%

26668

Shadow of the Tomb Raider 2160p

Radeon RX Vega 56

30

Radeon RX 7900 XT +240%

102

Shadow of the Tomb Raider 1440p

Radeon RX Vega 56

57

Radeon RX 7900 XT +259%

205

Shadow of the Tomb Raider 1080p

Radeon RX Vega 56

87

Radeon RX 7900 XT +243%

299

GTA 5 2160p

Radeon RX Vega 56

46

Radeon RX 7900 XT +269%

170

GTA 5 1440p

Radeon RX Vega 56

91

Radeon RX 7900 XT +86%

170

GTA 5 1080p

Radeon RX Vega 56

110

Radeon RX 7900 XT +72%

190

Radeon RX Vega 56

VS

Radeon RX 7900 XT

Graphics Card

Aug 2017

Release Date

Nov 2022

Vega

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1156 MHz

Base Clock

1387 MHz

1471 MHz

Boost Clock

2394 MHz

800 MHz

Memory Clock

2500 MHz

Memory

8GB

Memory Size

20GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

320bit

409.6GB/s

Bandwidth

800.0GB/s

Render Config

-

SM Count

-

56

Compute Units

84

3584

Shading Units

5376

224

TMUs

336

64

ROPs

192

-

Tensor Cores

-

RT Cores

84

16 KB (per CU)

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

Theoretical Performance

94.14 GPixel/s

Pixel Rate

459.6 GPixel/s

329.5 GTexel/s

Texture Rate

804.4 GTexel/s

21.09 TFLOPS

FP16 (half)

103.0 TFLOPS

10.54 TFLOPS

FP32 (float)

51.48 TFLOPS

659.0 GFLOPS

FP64 (double)

1.609 TFLOPS

Graphics Processor

Vega 10

GPU Name

Navi 31

Vega 10 XL (215-0894216)

GPU Variant

Navi 31 XT (215-145000156)

GCN 5.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

12.5 billion

Transistors

57.7 billion

495 mm²

Die Size

529 mm²

Board Design

210W

TDP

300W

550 W

Suggested PSU

700 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.7

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