NVIDIA RTX A1000 vs AMD Radeon HD 6870

VS

We compared two Desktop platform GPUs: 8GB VRAM RTX A1000 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A1000 's Advantages

Released 13 years and 6 months late

Boost Clock1462MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (192.0GB/s vs 134.4GB/s)

1184 additional rendering cores

Lower TDP (50W vs 151W)

Score

Benchmark

FP32 (float)

RTX A1000 +234%

6.737 TFLOPS

Radeon HD 6870

2.016 TFLOPS

RTX A1000

VS

Radeon HD 6870

Graphics Card

Apr 2024

Release Date

Oct 2010

Quadro Ampere

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

727 MHz

Base Clock

-

1462 MHz

Boost Clock

-

1500 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

192.0GB/s

Bandwidth

134.4GB/s

Render Config

18

SM Count

-

Compute Units

14

2304

Shading Units

1120

72

TMUs

56

32

ROPs

32

72

Tensor Cores

-

18

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

46.78 GPixel/s

Pixel Rate

28.80 GPixel/s

105.3 GTexel/s

Texture Rate

50.40 GTexel/s

6.737 TFLOPS

FP16 (half)

-

6.737 TFLOPS

FP32 (float)

2.016 TFLOPS

105.3 GFLOPS

FP64 (double)

-

Graphics Processor

GA107

GPU Name

Barts

-

GPU Variant

Barts XT (215-0798000)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

8.7 billion

Transistors

1.7 billion

200 mm²

Die Size

255 mm²

Board Design

50W

TDP

151W

250 W

Suggested PSU

450 W

4x mini-DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.7

Shader Model

5.0

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