AMD Radeon HD 7950 vs NVIDIA GeForce GTX 260

VS

AMD Radeon HD 7950

NVIDIA GeForce GTX 260

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 896MB VRAM GeForce GTX 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 3 years and 7 months late

More VRAM (3GB vs 896GB)

Larger VRAM bandwidth (240.0GB/s vs 111.9GB/s)

1600 additional rendering cores

NVIDIA GeForce GTX 260 's Advantages

Lower TDP (182W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 +501%

2.867 TFLOPS

GeForce GTX 260

0.477 TFLOPS

Radeon HD 7950

VS

GeForce GTX 260

Graphics Card

Jan 2012

Release Date

Jun 2008

Southern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

999 MHz

Memory

3GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

448bit

240.0GB/s

Bandwidth

111.9GB/s

Render Config

28

Compute Units

-

SM Count

24

1792

Shading Units

192

112

TMUs

64

32

ROPs

28

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

224 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

16.13 GPixel/s

89.60 GTexel/s

Texture Rate

36.86 GTexel/s

-

2.867 TFLOPS

FP32 (float)

476.9 GFLOPS

716.8 GFLOPS

FP64 (double)

59.62 GFLOPS

Board Design

200W

TDP

182W

550 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

GT200

Tahiti PRO (215-0821056)

GPU Variant

G200-100-A2

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

4.313 billion

Transistors

1.4 billion

352 mm²

Die Size

576 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

5.1

Shader Model

4.0

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