AMD Radeon HD 6850 X2 vs NVIDIA A2

VS

AMD Radeon HD 6850 X2

NVIDIA A2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 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 10 years and 2 months late

Boost Clock1770MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (200.1GB/s vs 134.4GB/s)

320 additional rendering cores

Lower TDP (60W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

A2 +194%

4.531 TFLOPS

Radeon HD 6850 X2

VS

A2

Graphics Card

Sep 2011

Release Date

Nov 2021

Northern Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1440 MHz

-

Boost Clock

1770 MHz

1050 MHz

Memory Clock

1563 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

200.1GB/s

Render Config

12

Compute Units

-

SM Count

10

960

Shading Units

1280

48

TMUs

40

32

ROPs

32

-

Tensor Cores

40

-

RT Cores

10

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

56.64 GPixel/s

38.40 GTexel/s

Texture Rate

70.80 GTexel/s

-

FP16 (half)

4.531 TFLOPS

1.536 TFLOPS

FP32 (float)

4.531 TFLOPS

-

FP64 (double)

70.80 GFLOPS

Board Design

254W

TDP

60W

600 W

Suggested PSU

250 W

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

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

GA107

Barts PRO (215-0798006)

GPU Variant

-

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.7 billion

Transistors

Unknown

255 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.6

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