ATI Radeon HD 4855 vs NVIDIA GeForce 9800 GT

VS

ATI Radeon HD 4855 NVIDIA GeForce 9800 GT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 512MB VRAM GeForce 9800 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4855 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (115.2GB/s vs 57.60GB/s)

528 additional rendering cores

Lower TDP (110W vs 125W)

Score

Benchmark

FP32 (float)

Radeon HD 4855 +119%

0.736 TFLOPS

GeForce 9800 GT

0.336 TFLOPS

Radeon HD 4855

VS

GeForce 9800 GT

Graphics Card

Jan 2010

Release Date

Jul 2008

Radeon R700

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

14

8

Compute Units

-

640

Shading Units

112

32

TMUs

56

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

9.200 GPixel/s

Pixel Rate

9.600 GPixel/s

18.40 GTexel/s

Texture Rate

33.60 GTexel/s

-

FP16 (half)

-

736.0 GFLOPS

FP32 (float)

336.0 GFLOPS

147.2 GFLOPS

FP64 (double)

-

Graphics Processor

RV770

GPU Name

G92B

RV770 PRO (215-0669065)

GPU Variant

G92-280-B1

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.754 billion

256 mm²

Die Size

260 mm²

Board Design

110W

TDP

125W

300 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

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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