AMD Radeon HD 7870 GHz Edition vs NVIDIA A2

VS

AMD Radeon HD 7870 GHz Edition

NVIDIA A2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A2 's Advantages

Released 9 years and 8 months late

Boost Clock1770MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (200.1GB/s vs 153.6GB/s)

Lower TDP (60W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

A2 +76%

4.531 TFLOPS

Radeon HD 7870 GHz Edition

VS

A2

Graphics Card

Mar 2012

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

1200 MHz

Memory Clock

1563 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

200.1GB/s

Render Config

20

Compute Units

-

SM Count

10

1280

Shading Units

1280

80

TMUs

40

32

ROPs

32

-

Tensor Cores

40

-

RT Cores

10

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

56.64 GPixel/s

80.00 GTexel/s

Texture Rate

70.80 GTexel/s

-

FP16 (half)

4.531 TFLOPS

2.560 TFLOPS

FP32 (float)

4.531 TFLOPS

160.0 GFLOPS

FP64 (double)

70.80 GFLOPS

Board Design

175W

TDP

60W

450 W

Suggested PSU

250 W

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

Outputs

No outputs

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

GA107

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.8 billion

Transistors

Unknown

212 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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