AMD Radeon HD 7970 X2 vs AMD Radeon Pro V520

VS

AMD Radeon HD 7970 X2

AMD Radeon Pro V520

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 8GB VRAM Radeon Pro V520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V520 's Advantages

Released 8 years and 4 months late

Boost Clock1600MHz

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 264.0GB/s)

256 additional rendering cores

Lower TDP (225W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2

3.789 TFLOPS

Radeon Pro V520 +94%

7.373 TFLOPS

Radeon HD 7970 X2

VS

Radeon Pro V520

Graphics Card

Aug 2012

Release Date

Dec 2020

Southern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1600 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

2048bit

264.0GB/s

Bandwidth

512.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

32

ROPs

64

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

4 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

102.4 GPixel/s

118.4 GTexel/s

Texture Rate

230.4 GTexel/s

-

FP16 (half)

14.75 TFLOPS

3.789 TFLOPS

FP32 (float)

7.373 TFLOPS

947.2 GFLOPS

FP64 (double)

460.8 GFLOPS

Board Design

500W

TDP

225W

900 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

No outputs

3x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

New Zealand

GPU Name

Navi 12

-

GPU Variant

Navi 12

GCN 1.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

Unknown

352 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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