ATI Radeon HD 4855 vs NVIDIA GeForce 8600 GTS Mac Edition

VS

ATI Radeon HD 4855 NVIDIA GeForce 8600 GTS Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 512MB VRAM GeForce 8600 GTS Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4855 's Advantages

Released 2 years and 4 months late

Larger VRAM bandwidth (115.2GB/s vs 32.26GB/s)

608 additional rendering cores

NVIDIA GeForce 8600 GTS Mac Edition 's Advantages

Lower TDP (75W vs 110W)

Score

Benchmark

FP32 (float)

Radeon HD 4855 +691%

0.736 TFLOPS

GeForce 8600 GTS Mac Edition

0.093 TFLOPS

Radeon HD 4855

VS

GeForce 8600 GTS Mac Edition

Graphics Card

Jan 2010

Release Date

Sep 2007

Radeon R700

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1008 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

32.26GB/s

Render Config

-

SM Count

4

8

Compute Units

-

640

Shading Units

32

TMUs

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

9.200 GPixel/s

Pixel Rate

5.400 GPixel/s

18.40 GTexel/s

Texture Rate

10.80 GTexel/s

-

FP16 (half)

-

736.0 GFLOPS

FP32 (float)

92.80 GFLOPS

147.2 GFLOPS

FP64 (double)

-

Graphics Processor

RV770

GPU Name

G84

RV770 PRO (215-0669065)

GPU Variant

G84-400-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.956 billion

Transistors

0.289 billion

256 mm²

Die Size

169 mm²

Board Design

110W

TDP

75W

300 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI

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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