ATI Radeon HD 4860 vs NVIDIA GeForce GTX 275

VS

ATI Radeon HD 4860

NVIDIA GeForce GTX 275

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4860 and 896MB VRAM GeForce GTX 275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4860 's Advantages

Released 8 months late

400 additional rendering cores

Lower TDP (130W vs 219W)

NVIDIA GeForce GTX 275 's Advantages

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 96.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4860 +32%

0.896 TFLOPS

GeForce GTX 275

0.674 TFLOPS

Radeon HD 4860

VS

GeForce GTX 275

Graphics Card

Sep 2009

Release Date

Jan 2009

Radeon R700

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

1134 MHz

Memory

512MB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

448bit

96.00GB/s

Bandwidth

127.0GB/s

Render Config

8

Compute Units

-

SM Count

30

640

Shading Units

240

32

TMUs

80

16

ROPs

28

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

17.72 GPixel/s

22.40 GTexel/s

Texture Rate

50.64 GTexel/s

-

896.0 GFLOPS

FP32 (float)

673.9 GFLOPS

179.2 GFLOPS

FP64 (double)

84.24 GFLOPS

Board Design

130W

TDP

219W

300 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV790

GPU Name

GT200B

RV790 GT

GPU Variant

G200-105-B3

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.959 billion

Transistors

1.4 billion

282 mm²

Die Size

470 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

1.3

4.1

Shader Model

4.0

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