ATI Radeon HD 4890 vs NVIDIA GeForce GTX 480 Core 512

VS

ATI Radeon HD 4890

NVIDIA GeForce GTX 480 Core 512

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 1536MB VRAM GeForce GTX 480 Core 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

288 additional rendering cores

Lower TDP (190W vs 375W)

NVIDIA GeForce GTX 480 Core 512 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 124.8GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4890 +26%

1.36 TFLOPS

GeForce GTX 480 Core 512

1.078 TFLOPS

Radeon HD 4890

VS

GeForce GTX 480 Core 512

Graphics Card

Apr 2009

Release Date

Unknown

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

975 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

124.8GB/s

Bandwidth

134.4GB/s

Render Config

10

Compute Units

-

SM Count

16

800

Shading Units

512

40

TMUs

64

16

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

16.86 GPixel/s

34.00 GTexel/s

Texture Rate

33.73 GTexel/s

-

1360 GFLOPS

FP32 (float)

1078 GFLOPS

272.0 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

375W

450 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV790

GPU Name

GF100

RV790 XT (215-0758016)

GPU Variant

GF100-ES-DT1-A2

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.959 billion

Transistors

3.1 billion

282 mm²

Die Size

529 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

2.0

4.1

Shader Model

5.1

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