AMD Radeon HD 7850 vs AMD Radeon HD 6950

VS

AMD Radeon HD 7850

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

Released 1 years and 3 months late

Lower TDP (130W vs 200W)

AMD Radeon HD 6950 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 153.6GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Radeon HD 6950 +27%

2.253 TFLOPS

Radeon HD 7850

VS

Radeon HD 6950

Graphics Card

Mar 2012

Release Date

Dec 2010

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

160.0GB/s

Render Config

16

Compute Units

22

-

1024

Shading Units

1408

64

TMUs

88

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

25.60 GPixel/s

55.04 GTexel/s

Texture Rate

70.40 GTexel/s

-

1.761 TFLOPS

FP32 (float)

2.253 TFLOPS

110.1 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

130W

TDP

200W

300 W

Suggested PSU

550 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Pitcairn

GPU Name

Cayman

Pitcairn PRO (215-0828062)

GPU Variant

Cayman PRO (215-0807019)

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

2.64 billion

212 mm²

Die Size

389 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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