AMD Radeon RX Vega 64 vs AMD Radeon RX 7950 XT

VS

AMD Radeon RX Vega 64

AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 's Advantages

Lower TDP (295W vs 300W)

AMD Radeon RX 7950 XT 's Advantages

Boost Clock has increased by 94% (3000MHz vs 1546MHz)

More VRAM (20GB vs 8GB)

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

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega 64

12.66 TFLOPS

Radeon RX 7950 XT +409%

64.51 TFLOPS

Radeon RX Vega 64

VS

Radeon RX 7950 XT

Graphics Card

Aug 2017

Release Date

Unknown

Vega

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1247 MHz

Base Clock

2000 MHz

1546 MHz

Boost Clock

3000 MHz

945 MHz

Memory Clock

2500 MHz

Memory

8GB

Memory Size

20GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

320bit

483.8GB/s

Bandwidth

800.0GB/s

Render Config

64

Compute Units

84

-

4096

Shading Units

5376

256

TMUs

336

64

ROPs

192

-

RT Cores

84

16 KB (per CU)

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

98.94 GPixel/s

Pixel Rate

576.0 GPixel/s

395.8 GTexel/s

Texture Rate

1008 GTexel/s

25.33 TFLOPS

FP16 (half)

129.0 TFLOPS

12.66 TFLOPS

FP32 (float)

64.51 TFLOPS

791.6 GFLOPS

FP64 (double)

2.016 TFLOPS

Board Design

295W

TDP

300W

600 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 Processor

Vega 10

GPU Name

Navi 31

Vega 10 XT (215-0894200)

GPU Variant

Navi 31 XT+

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

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

-

6.4

Shader Model

6.7

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