AMD Radeon RX 7900 XT vs AMD Radeon RX Vega 64

VS

AMD Radeon RX 7900 XT AMD Radeon RX Vega 64

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 8GB VRAM Radeon RX Vega 64 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 5 years and 3 months late

Boost Clock has increased by 55% (2394MHz vs 1546MHz)

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (800.0GB/s vs 483.8GB/s)

1280 additional rendering cores

AMD Radeon RX Vega 64 's Advantages

Lower TDP (295W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +306%

51.48 TFLOPS

Radeon RX Vega 64

12.66 TFLOPS

3DMark Time Spy

Radeon RX 7900 XT +254%

26668

Radeon RX Vega 64

7521

Blender

Radeon RX 7900 XT +454%

4310

Radeon RX Vega 64

777

Shadow of the Tomb Raider 2160p

Radeon RX 7900 XT +229%

102

Radeon RX Vega 64

31

Shadow of the Tomb Raider 1440p

Radeon RX 7900 XT +230%

205

Radeon RX Vega 64

62

Shadow of the Tomb Raider 1080p

Radeon RX 7900 XT +225%

299

Radeon RX Vega 64

92

GTA 5 2160p

Radeon RX 7900 XT +203%

170

Radeon RX Vega 64

56

GTA 5 1440p

Radeon RX 7900 XT +58%

170

Radeon RX Vega 64

107

Radeon RX 7900 XT

VS

Radeon RX Vega 64

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

1387 MHz

Base Clock

1247 MHz

2394 MHz

Boost Clock

1546 MHz

2500 MHz

Memory Clock

945 MHz

Memory

20GB

Memory Size

8GB

GDDR6

Memory Type

HBM2

320bit

Memory Bus

2048bit

800.0GB/s

Bandwidth

483.8GB/s

Render Config

-

SM Count

-

84

Compute Units

64

5376

Shading Units

4096

336

TMUs

256

192

ROPs

64

-

Tensor Cores

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

4 MB

Theoretical Performance

459.6 GPixel/s

Pixel Rate

98.94 GPixel/s

804.4 GTexel/s

Texture Rate

395.8 GTexel/s

103.0 TFLOPS

FP16 (half)

25.33 TFLOPS

51.48 TFLOPS

FP32 (float)

12.66 TFLOPS

1.609 TFLOPS

FP64 (double)

791.6 GFLOPS

Graphics Processor

Navi 31

GPU Name

Vega 10

Navi 31 XT (215-145000156)

GPU Variant

Vega 10 XT (215-0894200)

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

300W

TDP

295W

700 W

Suggested PSU

600 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

Related GPU Comparisons

1

AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4070 Ti SUPER

2

AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4070 Ti

3

AMD Playstation 5 GPU vs AMD Radeon RX 7900 XT

4

AMD Radeon RX 7900 GRE vs AMD Radeon RX 7900 XT

5

NVIDIA GeForce RTX 4070 SUPER vs AMD Radeon RX 7900 XT

6

AMD Radeon RX 7800 XT vs AMD Radeon RX 7900 XT

7

AMD Radeon RX Vega 64 vs AMD Radeon RX 6600

8

AMD Radeon RX 7900 XT vs AMD Radeon Pro V520

9

AMD Radeon RX 7900 XT vs NVIDIA GeForce 9400 GT Rev. 2

10

AMD Radeon RX 7900 XT vs AMD FirePro W7000