AMD Radeon HD 7970 X2 vs NVIDIA GeForce 8800 GTS Core 112

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce 8800 GTS Core 112

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 640MB VRAM GeForce 8800 GTS Core 112 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 9 months late

More VRAM (3GB vs 640GB)

Larger VRAM bandwidth (264.0GB/s vs 64.00GB/s)

1936 additional rendering cores

NVIDIA GeForce 8800 GTS Core 112 's Advantages

Lower TDP (150W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +1308%

3.789 TFLOPS

GeForce 8800 GTS Core 112

0.269 TFLOPS

Radeon HD 7970 X2

VS

GeForce 8800 GTS Core 112

Graphics Card

Aug 2012

Release Date

Nov 2007

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

640MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

320bit

264.0GB/s

Bandwidth

64.00GB/s

Render Config

32

Compute Units

-

SM Count

14

2048

Shading Units

112

128

TMUs

28

32

ROPs

20

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

80 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

10.00 GPixel/s

118.4 GTexel/s

Texture Rate

28.00 GTexel/s

-

3.789 TFLOPS

FP32 (float)

268.8 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

150W

900 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

3x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

New Zealand

GPU Name

G80

-

GPU Variant

G80-100-K0-A2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

4.313 billion

Transistors

0.681 billion

352 mm²

Die Size

484 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1 (1.0)

1.2

Vulkan

N/A

-

CUDA

1.0

5.1

Shader Model

4.0

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