AMD Radeon RX 7900 XTX vs AMD Radeon RX Vega 64 Limited Edition

VS

AMD Radeon RX 7900 XTX

AMD Radeon RX Vega 64 Limited Edition

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 8GB VRAM Radeon RX Vega 64 Limited Edition 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 62% (2498MHz vs 1546MHz)

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (960.0GB/s vs 483.8GB/s)

2048 additional rendering cores

AMD Radeon RX Vega 64 Limited Edition 's Advantages

Lower TDP (295W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +384%

61.39 TFLOPS

Radeon RX Vega 64 Limited Edition

12.66 TFLOPS

Radeon RX 7900 XTX

VS

Radeon RX Vega 64 Limited Edition

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

1247 MHz

2498 MHz

Boost Clock

1546 MHz

2500 MHz

Memory Clock

945 MHz

Memory

24GB

Memory Size

8GB

GDDR6

Memory Type

HBM2

384bit

Memory Bus

2048bit

960.0GB/s

Bandwidth

483.8GB/s

Render Config

96

Compute Units

64

-

6144

Shading Units

4096

384

TMUs

256

192

ROPs

64

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

4 MB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

98.94 GPixel/s

959.2 GTexel/s

Texture Rate

395.8 GTexel/s

122.8 TFLOPS

FP16 (half)

25.33 TFLOPS

61.39 TFLOPS

FP32 (float)

12.66 TFLOPS

1.918 TFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

355W

TDP

295W

750 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 Processor

Navi 31

GPU Name

Vega 10

Navi 31 XTX (215-145000146)

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

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

-

6.7

Shader Model

6.4

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