AMD Radeon HD 7870 GHz Edition vs NVIDIA RTX A1000

VS

AMD Radeon HD 7870 GHz Edition NVIDIA RTX A1000

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 8GB VRAM RTX A1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A1000 's Advantages

Released 12 years and 1 months late

Boost Clock1462MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 153.6GB/s)

1024 additional rendering cores

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

RTX A1000 +163%

6.737 TFLOPS

Radeon HD 7870 GHz Edition

VS

RTX A1000

Graphics Card

Mar 2012

Release Date

Apr 2024

Southern Islands

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

727 MHz

-

Boost Clock

1462 MHz

1200 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

192.0GB/s

Render Config

-

SM Count

18

20

Compute Units

-

1280

Shading Units

2304

80

TMUs

72

32

ROPs

32

-

Tensor Cores

72

-

RT Cores

18

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

2 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

46.78 GPixel/s

80.00 GTexel/s

Texture Rate

105.3 GTexel/s

-

FP16 (half)

6.737 TFLOPS

2.560 TFLOPS

FP32 (float)

6.737 TFLOPS

160.0 GFLOPS

FP64 (double)

105.3 GFLOPS

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

8.7 billion

212 mm²

Die Size

200 mm²

Board Design

175W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

None

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

6.7

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