ATI Radeon HD 4770 vs NVIDIA GeForce G100 OEM

VS

ATI Radeon HD 4770

NVIDIA GeForce G100 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 256MB VRAM GeForce G100 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (51.20GB/s vs 6.400GB/s)

632 additional rendering cores

NVIDIA GeForce G100 OEM 's Advantages

Lower TDP (35W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 4770 +4471%

0.96 TFLOPS

GeForce G100 OEM

0.021 TFLOPS

Radeon HD 4770

VS

GeForce G100 OEM

Graphics Card

Apr 2009

Release Date

Mar 2009

Radeon R700

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

51.20GB/s

Bandwidth

6.400GB/s

Render Config

8

Compute Units

-

SM Count

1

640

Shading Units

8

32

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

16 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

2.160 GPixel/s

24.00 GTexel/s

Texture Rate

2.160 GTexel/s

-

960.0 GFLOPS

FP32 (float)

20.80 GFLOPS

192.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

35W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

RV740

GPU Name

G98

RV740 XT (215-0727019)

GPU Variant

G98-309-U2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.826 billion

Transistors

0.21 billion

137 mm²

Die Size

86 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

1.1

4.1

Shader Model

4.0

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