AMD Radeon HD 6850 X2 vs AMD Radeon R9 290

VS

AMD Radeon HD 6850 X2

AMD Radeon R9 290

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 4GB VRAM Radeon R9 290 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 275W)

AMD Radeon R9 290 's Advantages

Released 2 years and 2 months late

More VRAM (4GB vs 2GB)

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

1600 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Radeon R9 290 +215%

4.849 TFLOPS

Radeon HD 6850 X2

VS

Radeon R9 290

Graphics Card

Sep 2011

Release Date

Nov 2013

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

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

12

Compute Units

40

-

960

Shading Units

2560

48

TMUs

160

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

60.61 GPixel/s

38.40 GTexel/s

Texture Rate

151.5 GTexel/s

-

1.536 TFLOPS

FP32 (float)

4.849 TFLOPS

-

FP64 (double)

606.1 GFLOPS

Board Design

254W

TDP

275W

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 Processor

Barts

GPU Name

Hawaii

Barts PRO (215-0798006)

GPU Variant

Hawaii PRO (215-0852020)

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

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

-

5.0

Shader Model

6.3

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