NVIDIA GeForce 9800 GX2 vs ATI Radeon HD 4850

VS

NVIDIA GeForce 9800 GX2

ATI Radeon HD 4850

We compared two Desktop platform GPUs: 512MB VRAM GeForce 9800 GX2 and 512MB VRAM Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9800 GX2 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 63.55GB/s)

ATI Radeon HD 4850 's Advantages

672 additional rendering cores

Lower TDP (110W vs 197W)

Score

Benchmark

FP32 (float)

GeForce 9800 GX2

0.384 TFLOPS

Radeon HD 4850 +160%

1 TFLOPS

GeForce 9800 GX2

VS

Radeon HD 4850

Graphics Card

Mar 2008

Release Date

Jun 2008

GeForce 9

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

993 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

64.00GB/s

Bandwidth

63.55GB/s

Render Config

-

Compute Units

10

16

SM Count

-

128

Shading Units

800

64

TMUs

40

16

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

10.00 GPixel/s

38.40 GTexel/s

Texture Rate

25.00 GTexel/s

-

384.0 GFLOPS

FP32 (float)

1000 GFLOPS

-

FP64 (double)

200.0 GFLOPS

Board Design

197W

TDP

110W

450 W

Suggested PSU

300 W

2x DVI 1x HDMI

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

G92

GPU Name

RV770

G92-450-A2

GPU Variant

RV770 PRO (215-0669065)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.754 billion

Transistors

0.956 billion

324 mm²

Die Size

256 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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