AMD Radeon R9 295X2 vs AMD Radeon HD 6850 1440SP Edition

VS

AMD Radeon R9 295X2

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 295X2 's Advantages

Released 1 years and 8 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 128.0GB/s)

1376 additional rendering cores

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2 +174%

5.733 TFLOPS

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

Radeon R9 295X2

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Apr 2014

Release Date

Aug 2012

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

320.0GB/s

Bandwidth

128.0GB/s

Render Config

44

Compute Units

18

-

2816

Shading Units

1440

176

TMUs

72

64

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

23.20 GPixel/s

179.2 GTexel/s

Texture Rate

52.20 GTexel/s

-

5.733 TFLOPS

FP32 (float)

2.088 TFLOPS

716.7 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

500W

TDP

151W

900 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Vesuvius

GPU Name

Cypress

Vesuvius XT (215-0852022)

GPU Variant

Cypress PRO (215-0735043)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

2.154 billion

438 mm²

Die Size

334 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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