ATI Radeon HD 4730 vs NVIDIA GeForce GT 640 OEM Rebrand

VS

ATI Radeon HD 4730 NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4730 and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4730 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 38.40GB/s)

496 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 2 years and 10 months late

More VRAM (1536GB vs 512GB)

Lower TDP (75W vs 110W)

Score

Benchmark

FP32 (float)

Radeon HD 4730 +131%

0.96 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon HD 4730

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Jun 2009

Release Date

Apr 2012

Radeon R700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1536MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

192bit

57.60GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

3

8

Compute Units

-

640

Shading Units

144

32

TMUs

24

8

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

384 KB

Theoretical Performance

6.000 GPixel/s

Pixel Rate

4.320 GPixel/s

24.00 GTexel/s

Texture Rate

17.28 GTexel/s

-

FP16 (half)

-

960.0 GFLOPS

FP32 (float)

414.7 GFLOPS

192.0 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

RV770

GPU Name

GF116

RV770 CE (215-0669093)

GPU Variant

GF116-150-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

1.17 billion

256 mm²

Die Size

238 mm²

Board Design

110W

TDP

75W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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