AMD Radeon HD 6950 vs NVIDIA GeForce GTX 465

VS

AMD Radeon HD 6950

NVIDIA GeForce GTX 465

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 1024MB VRAM GeForce GTX 465 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

Released 7 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 102.7GB/s)

1056 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6950 +163%

2.253 TFLOPS

GeForce GTX 465

0.855 TFLOPS

Radeon HD 6950

VS

GeForce GTX 465

Graphics Card

Dec 2010

Release Date

May 2010

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

802 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

102.7GB/s

Render Config

22

Compute Units

-

SM Count

11

1408

Shading Units

352

88

TMUs

44

32

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

13.38 GPixel/s

70.40 GTexel/s

Texture Rate

26.75 GTexel/s

-

2.253 TFLOPS

FP32 (float)

855.4 GFLOPS

563.2 GFLOPS

FP64 (double)

106.9 GFLOPS

Board Design

200W

TDP

200W

550 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cayman

GPU Name

GF100

Cayman PRO (215-0807019)

GPU Variant

GF100-030-A3

TeraScale 3

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

3.1 billion

389 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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