AMD Radeon HD 6950 vs NVIDIA GeForce GT 340 OEM

VS

AMD Radeon HD 6950

NVIDIA GeForce GT 340 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 1024MB VRAM GeForce GT 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

Released 10 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 27.20GB/s)

1312 additional rendering cores

NVIDIA GeForce GT 340 OEM 's Advantages

Lower TDP (69W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 6950 +776%

2.253 TFLOPS

GeForce GT 340 OEM

0.257 TFLOPS

Radeon HD 6950

VS

GeForce GT 340 OEM

Graphics Card

Dec 2010

Release Date

Feb 2010

Northern Islands

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

27.20GB/s

Render Config

22

Compute Units

-

SM Count

12

1408

Shading Units

96

88

TMUs

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

4.400 GPixel/s

70.40 GTexel/s

Texture Rate

17.60 GTexel/s

-

2.253 TFLOPS

FP32 (float)

257.3 GFLOPS

563.2 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

69W

550 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

GT215

Cayman PRO (215-0807019)

GPU Variant

GT215-301-A3

TeraScale 3

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.727 billion

389 mm²

Die Size

144 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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