AMD Radeon HD 7970 vs NVIDIA A2

VS

AMD Radeon HD 7970

NVIDIA A2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 200.1GB/s)

768 additional rendering cores

NVIDIA A2 's Advantages

Released 9 years and 11 months late

Boost Clock1770MHz

More VRAM (16GB vs 3GB)

Lower TDP (60W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

A2 +19%

4.531 TFLOPS

Radeon HD 7970

VS

A2

Graphics Card

Dec 2011

Release Date

Nov 2021

Southern Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1440 MHz

-

Boost Clock

1770 MHz

1375 MHz

Memory Clock

1563 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

200.1GB/s

Render Config

32

Compute Units

-

SM Count

10

2048

Shading Units

1280

128

TMUs

40

32

ROPs

32

-

Tensor Cores

40

-

RT Cores

10

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

56.64 GPixel/s

118.4 GTexel/s

Texture Rate

70.80 GTexel/s

-

FP16 (half)

4.531 TFLOPS

3.789 TFLOPS

FP32 (float)

4.531 TFLOPS

947.2 GFLOPS

FP64 (double)

70.80 GFLOPS

Board Design

250W

TDP

60W

600 W

Suggested PSU

250 W

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

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GA107

Tahiti XT (215-0821060)

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

Unknown

352 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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