AMD Radeon HD 7870 XT vs NVIDIA A2

VS

AMD Radeon HD 7870 XT

NVIDIA A2

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

Main Differences

AMD Radeon HD 7870 XT 's Advantages

256 additional rendering cores

NVIDIA A2 's Advantages

Released 9 years late

Boost Clock has increased by 82% (1770MHz vs 975MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (200.1GB/s vs 192.0GB/s)

Lower TDP (60W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

A2 +51%

4.531 TFLOPS

Radeon HD 7870 XT

VS

A2

Graphics Card

Nov 2012

Release Date

Nov 2021

Southern Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

925 MHz

Base Clock

1440 MHz

975 MHz

Boost Clock

1770 MHz

1500 MHz

Memory Clock

1563 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

200.1GB/s

Render Config

24

Compute Units

-

SM Count

10

1536

Shading Units

1280

96

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

31.20 GPixel/s

Pixel Rate

56.64 GPixel/s

93.60 GTexel/s

Texture Rate

70.80 GTexel/s

-

FP16 (half)

4.531 TFLOPS

2.995 TFLOPS

FP32 (float)

4.531 TFLOPS

748.8 GFLOPS

FP64 (double)

70.80 GFLOPS

Board Design

185W

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

Tahiti

GPU Name

GA107

Tahiti LE (215-0821122)

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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