NVIDIA GeForce GTX 480 Core 512 vs AMD Radeon HD 6950

VS

NVIDIA GeForce GTX 480 Core 512

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 Core 512 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 6950 's Advantages

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (160.0GB/s vs 134.4GB/s)

896 additional rendering cores

Lower TDP (200W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 Core 512

1.078 TFLOPS

Radeon HD 6950 +108%

2.253 TFLOPS

GeForce GTX 480 Core 512

VS

Radeon HD 6950

Graphics Card

Unknown

Release Date

Dec 2010

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1250 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

134.4GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

22

16

SM Count

-

512

Shading Units

1408

64

TMUs

88

48

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

16.86 GPixel/s

Pixel Rate

25.60 GPixel/s

33.73 GTexel/s

Texture Rate

70.40 GTexel/s

-

1078 GFLOPS

FP32 (float)

2.253 TFLOPS

-

FP64 (double)

563.2 GFLOPS

Board Design

375W

TDP

200W

750 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GF100

GPU Name

Cayman

GF100-ES-DT1-A2

GPU Variant

Cayman PRO (215-0807019)

Fermi

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3.1 billion

Transistors

2.64 billion

529 mm²

Die Size

389 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

5.0

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