AMD Radeon HD 7970 X2 vs NVIDIA GeForce 8800 GS Mac Edition

VS

AMD Radeon HD 7970 X2 NVIDIA GeForce 8800 GS Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 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 7970 X2 's Advantages

Released 4 years and 7 months late

Larger VRAM bandwidth (264.0GB/s vs 51.14GB/s)

1984 additional rendering cores

NVIDIA GeForce 8800 GS Mac Edition 's Advantages

Lower TDP (105W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +2268%

3.789 TFLOPS

GeForce 8800 GS Mac Edition

0.16 TFLOPS

Radeon HD 7970 X2

VS

GeForce 8800 GS Mac Edition

Graphics Card

Aug 2012

Release Date

Jan 2008

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

MXM-HE

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

799 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

51.14GB/s

Render Config

-

SM Count

8

32

Compute Units

-

2048

Shading Units

64

128

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

8.000 GPixel/s

118.4 GTexel/s

Texture Rate

16.00 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

160.0 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

New Zealand

GPU Name

G92

-

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

Board Design

500W

TDP

105W

900 W

Suggested PSU

300 W

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

Outputs

No outputs

3x 8-pin

Power Connectors

None

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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