AMD Radeon HD 7950 vs NVIDIA GeForce 8800 GS Mac Edition

VS

AMD Radeon HD 7950

NVIDIA GeForce 8800 GS Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 512MB VRAM GeForce 8800 GS Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 4 years late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 51.14GB/s)

1728 additional rendering cores

NVIDIA GeForce 8800 GS Mac Edition 's Advantages

Lower TDP (105W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 +1691%

2.867 TFLOPS

GeForce 8800 GS Mac Edition

0.16 TFLOPS

Radeon HD 7950

VS

GeForce 8800 GS Mac Edition

Graphics Card

Jan 2012

Release Date

Jan 2008

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

MXM-HE

Clock Speeds

-

1250 MHz

Memory Clock

799 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

51.14GB/s

Render Config

28

Compute Units

-

SM Count

8

1792

Shading Units

64

112

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

8.000 GPixel/s

89.60 GTexel/s

Texture Rate

16.00 GTexel/s

-

2.867 TFLOPS

FP32 (float)

160.0 GFLOPS

716.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

105W

550 W

Suggested PSU

300 W

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

Outputs

No outputs

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

G92

Tahiti PRO (215-0821056)

GPU Variant

-

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

4.313 billion

Transistors

0.754 billion

352 mm²

Die Size

324 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

1.1

5.1

Shader Model

4.0

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