AMD Radeon HD 6850 X2 vs AMD Radeon R9 290X

VS

AMD Radeon HD 6850 X2 AMD Radeon R9 290X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 4GB VRAM Radeon R9 290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Lower TDP (254W vs 290W)

AMD Radeon R9 290X 's Advantages

Released 2 years and 1 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 134.4GB/s)

1856 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Radeon R9 290X +266%

5.632 TFLOPS

Radeon HD 6850 X2

VS

Radeon R9 290X

Graphics Card

Sep 2011

Release Date

Oct 2013

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

134.4GB/s

Bandwidth

320.0GB/s

Render Config

-

SM Count

-

12

Compute Units

44

960

Shading Units

2816

48

TMUs

176

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

64.00 GPixel/s

38.40 GTexel/s

Texture Rate

176.0 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

5.632 TFLOPS

-

FP64 (double)

704.0 GFLOPS

Graphics Processor

Barts

GPU Name

Hawaii

Barts PRO (215-0798006)

GPU Variant

Hawaii XT (215-0852000)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

6.2 billion

255 mm²

Die Size

438 mm²

Board Design

254W

TDP

290W

600 W

Suggested PSU

600 W

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

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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