AMD Radeon HD 7970 vs AMD Radeon Pro SSG

VS

AMD Radeon HD 7970

AMD Radeon Pro SSG

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 16GB VRAM Radeon Pro SSG to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Lower TDP (250W vs 260W)

AMD Radeon Pro SSG 's Advantages

Released 5 years and 8 months late

Boost Clock1500MHz

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (483.8GB/s vs 264.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

Radeon Pro SSG +224%

12.29 TFLOPS

Radeon HD 7970

VS

Radeon Pro SSG

Graphics Card

Dec 2011

Release Date

Aug 2017

Southern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1440 MHz

-

Boost Clock

1500 MHz

1375 MHz

Memory Clock

945 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

2048bit

264.0GB/s

Bandwidth

483.8GB/s

Render Config

32

Compute Units

64

-

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

96.00 GPixel/s

118.4 GTexel/s

Texture Rate

384.0 GTexel/s

-

FP16 (half)

24.58 TFLOPS

3.789 TFLOPS

FP32 (float)

12.29 TFLOPS

947.2 GFLOPS

FP64 (double)

768.0 GFLOPS

Board Design

250W

TDP

260W

600 W

Suggested PSU

600 W

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

Outputs

6x mini-DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

Vega 10

Tahiti XT (215-0821060)

GPU Variant

Vega 10 XT GL (215-0894124)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

12.5 billion

352 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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