NVIDIA RTX A1000 vs AMD Radeon HD 7870 GHz Edition

VS

NVIDIA RTX A1000

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 8GB VRAM RTX A1000 and 2GB VRAM Radeon HD 7870 GHz Edition 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)

RTX A1000 +163%

6.737 TFLOPS

Radeon HD 7870 GHz Edition

2.56 TFLOPS

RTX A1000

VS

Radeon HD 7870 GHz Edition

Graphics Card

Apr 2024

Release Date

Mar 2012

Quadro Ampere

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

727 MHz

Base Clock

-

1462 MHz

Boost Clock

-

1500 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

192.0GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

18

SM Count

-

2304

Shading Units

1280

72

TMUs

80

32

ROPs

32

72

Tensor Cores

-

18

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

46.78 GPixel/s

Pixel Rate

32.00 GPixel/s

105.3 GTexel/s

Texture Rate

80.00 GTexel/s

6.737 TFLOPS

FP16 (half)

-

6.737 TFLOPS

FP32 (float)

2.560 TFLOPS

105.3 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

50W

TDP

175W

250 W

Suggested PSU

450 W

4x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GA107

GPU Name

Pitcairn

-

GPU Variant

Pitcairn XT (215-0828047)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

8.7 billion

Transistors

2.8 billion

200 mm²

Die Size

212 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.7

Shader Model

5.1

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