ATI Radeon HD 4890 vs NVIDIA GeForce 9800 GX2

VS

ATI Radeon HD 4890

NVIDIA GeForce 9800 GX2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 512MB VRAM GeForce 9800 GX2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

Released 1 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (124.8GB/s vs 64.00GB/s)

672 additional rendering cores

Lower TDP (190W vs 197W)

Score

Benchmark

FP32 (float)

Radeon HD 4890 +254%

1.36 TFLOPS

GeForce 9800 GX2

0.384 TFLOPS

Radeon HD 4890

VS

GeForce 9800 GX2

Graphics Card

Apr 2009

Release Date

Mar 2008

Radeon R700

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

975 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

124.8GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

-

SM Count

16

800

Shading Units

128

40

TMUs

64

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

9.600 GPixel/s

34.00 GTexel/s

Texture Rate

38.40 GTexel/s

-

1360 GFLOPS

FP32 (float)

384.0 GFLOPS

272.0 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

197W

450 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV790

GPU Name

G92

RV790 XT (215-0758016)

GPU Variant

G92-450-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.959 billion

Transistors

0.754 billion

282 mm²

Die Size

324 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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