ATI Radeon HD 4855 vs NVIDIA GeForce GT 320 OEM

VS

ATI Radeon HD 4855 NVIDIA GeForce GT 320 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 1024MB VRAM GeForce GT 320 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4855 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 25.28GB/s)

568 additional rendering cores

NVIDIA GeForce GT 320 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (43W vs 110W)

Score

Benchmark

FP32 (float)

Radeon HD 4855 +291%

0.736 TFLOPS

GeForce GT 320 OEM

0.188 TFLOPS

Radeon HD 4855

VS

GeForce GT 320 OEM

Graphics Card

Jan 2010

Release Date

Feb 2010

Radeon R700

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

790 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

25.28GB/s

Render Config

-

SM Count

9

8

Compute Units

-

640

Shading Units

72

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

9.200 GPixel/s

Pixel Rate

4.320 GPixel/s

18.40 GTexel/s

Texture Rate

12.96 GTexel/s

-

FP16 (half)

-

736.0 GFLOPS

FP32 (float)

187.5 GFLOPS

147.2 GFLOPS

FP64 (double)

-

Graphics Processor

RV770

GPU Name

GT215

RV770 PRO (215-0669065)

GPU Variant

GT215-250-A2

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.727 billion

256 mm²

Die Size

144 mm²

Board Design

110W

TDP

43W

300 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

4.1

Shader Model

4.1

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