ATI Radeon HD 4890 vs NVIDIA GeForce GTX 460

VS

ATI Radeon HD 4890

NVIDIA GeForce GTX 460

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

Main Differences

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

NVIDIA GeForce GTX 460 's Advantages

Released 1 years and 3 months late

Lower TDP (160W vs 190W)

Score

Benchmark

FP32 (float)

Radeon HD 4890 +49%

1.36 TFLOPS

GeForce GTX 460

0.907 TFLOPS

Radeon HD 4890

VS

GeForce GTX 460

Graphics Card

Apr 2009

Release Date

Jul 2010

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

975 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

768MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

124.8GB/s

Bandwidth

86.40GB/s

Render Config

10

Compute Units

-

SM Count

7

800

Shading Units

336

40

TMUs

56

16

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

9.450 GPixel/s

34.00 GTexel/s

Texture Rate

37.80 GTexel/s

-

1360 GFLOPS

FP32 (float)

907.2 GFLOPS

272.0 GFLOPS

FP64 (double)

75.60 GFLOPS

Board Design

190W

TDP

160W

450 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

-

Graphics Processor

RV790

GPU Name

GF104

RV790 XT (215-0758016)

GPU Variant

GF104-300-KB-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.959 billion

Transistors

1.95 billion

282 mm²

Die Size

332 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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