AMD Radeon HD 6950 vs AMD Radeon HD 8740 OEM

VS

AMD Radeon HD 6950

AMD Radeon HD 8740 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 1024MB VRAM Radeon HD 8740 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)

896 additional rendering cores

AMD Radeon HD 8740 OEM 's Advantages

Released 2 years and 9 months late

Lower TDP (55W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 6950 +175%

2.253 TFLOPS

Radeon HD 8740 OEM

0.819 TFLOPS

Radeon HD 6950

VS

Radeon HD 8740 OEM

Graphics Card

Dec 2010

Release Date

Sep 2013

Northern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

72.00GB/s

Render Config

22

Compute Units

8

-

1408

Shading Units

512

88

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

12.80 GPixel/s

70.40 GTexel/s

Texture Rate

25.60 GTexel/s

-

2.253 TFLOPS

FP32 (float)

819.2 GFLOPS

563.2 GFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

200W

TDP

55W

550 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

Cape Verde

Cayman PRO (215-0807019)

GPU Variant

Cape Verde PRO

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

1.5 billion

389 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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