NVIDIA GeForce GTX 460 vs ATI Radeon HD 4890

VS

NVIDIA GeForce GTX 460

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 768MB VRAM GeForce GTX 460 and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 's Advantages

Released 1 years and 3 months late

Lower TDP (160W vs 190W)

ATI Radeon HD 4890 's Advantages

More VRAM (1024GB vs 768GB)

Larger VRAM bandwidth (124.8GB/s vs 86.40GB/s)

464 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 460

0.907 TFLOPS

Radeon HD 4890 +49%

1.36 TFLOPS

GeForce GTX 460

VS

Radeon HD 4890

Graphics Card

Jul 2010

Release Date

Apr 2009

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

975 MHz

Memory

768MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

86.40GB/s

Bandwidth

124.8GB/s

Render Config

-

Compute Units

10

7

SM Count

-

336

Shading Units

800

56

TMUs

40

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

9.450 GPixel/s

Pixel Rate

13.60 GPixel/s

37.80 GTexel/s

Texture Rate

34.00 GTexel/s

-

907.2 GFLOPS

FP32 (float)

1360 GFLOPS

75.60 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

160W

TDP

190W

450 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

-

Power Connectors

2x 6-pin

Graphics Processor

GF104

GPU Name

RV790

GF104-300-KB-A1

GPU Variant

RV790 XT (215-0758016)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.959 billion

332 mm²

Die Size

282 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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