NVIDIA GeForce GTX 460 X2 vs AMD Radeon HD 7970

VS

NVIDIA GeForce GTX 460 X2

AMD Radeon HD 7970

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 X2 's Advantages

Lower TDP (160W vs 250W)

AMD Radeon HD 7970 's Advantages

Released 9 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 115.2GB/s)

1712 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2

0.942 TFLOPS

Radeon HD 7970 +302%

3.789 TFLOPS

GeForce GTX 460 X2

VS

Radeon HD 7970

Graphics Card

Mar 2011

Release Date

Dec 2011

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

115.2GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

7

SM Count

-

336

Shading Units

2048

56

TMUs

128

32

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

29.60 GPixel/s

39.26 GTexel/s

Texture Rate

118.4 GTexel/s

-

941.5 GFLOPS

FP32 (float)

3.789 TFLOPS

78.46 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

160W

TDP

250W

450 W

Suggested PSU

600 W

3x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF104

GPU Name

Tahiti

GF104-300-KB-A1

GPU Variant

Tahiti XT (215-0821060)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

4.313 billion

332 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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