NVIDIA GeForce GTX 460 X2 vs AMD Radeon HD 7770 GHz Edition

VS

NVIDIA GeForce GTX 460 X2

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 72.00GB/s)

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 11 months late

304 additional rendering cores

Lower TDP (80W vs 160W)

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2

0.942 TFLOPS

Radeon HD 7770 GHz Edition +35%

1.28 TFLOPS

GeForce GTX 460 X2

VS

Radeon HD 7770 GHz Edition

Graphics Card

Mar 2011

Release Date

Feb 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

7

SM Count

-

336

Shading Units

640

56

TMUs

40

32

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

16.00 GPixel/s

39.26 GTexel/s

Texture Rate

40.00 GTexel/s

-

941.5 GFLOPS

FP32 (float)

1280 GFLOPS

78.46 GFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

160W

TDP

80W

450 W

Suggested PSU

250 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

Graphics Processor

GF104

GPU Name

Cape Verde

GF104-300-KB-A1

GPU Variant

Cape Verde XT

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

1.5 billion

332 mm²

Die Size

123 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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