NVIDIA GeForce GTX 260 Rev. 2 vs AMD Radeon HD 7950 Mac Edition

VS

NVIDIA GeForce GTX 260 Rev. 2

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 Rev. 2 and 3GB VRAM Radeon HD 7950 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 260 Rev. 2 's Advantages

Lower TDP (182W vs 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

Released 4 years and 8 months late

More VRAM (3GB vs 896GB)

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

1600 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 260 Rev. 2

0.477 TFLOPS

Radeon HD 7950 Mac Edition +501%

2.867 TFLOPS

GeForce GTX 260 Rev. 2

VS

Radeon HD 7950 Mac Edition

Graphics Card

Jul 2008

Release Date

Mar 2013

GeForce 200

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

999 MHz

Memory Clock

1250 MHz

Memory

896MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

384bit

111.9GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

24

SM Count

-

192

Shading Units

1792

64

TMUs

112

28

ROPs

32

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

768 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

25.60 GPixel/s

36.86 GTexel/s

Texture Rate

89.60 GTexel/s

-

476.9 GFLOPS

FP32 (float)

2.867 TFLOPS

59.62 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

182W

TDP

200W

450 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GT200B

GPU Name

Tahiti

G200-103-B3

GPU Variant

Tahiti PRO (215-0821056)

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

4.313 billion

470 mm²

Die Size

352 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.3

CUDA

-

4.0

Shader Model

5.1

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