AMD Radeon HD 7750 vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon HD 7750

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7750 's Advantages

224 additional rendering cores

Lower TDP (55W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Larger VRAM bandwidth (91.87GB/s vs 72.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7750

0.819 TFLOPS

GeForce GT 645 OEM +9%

0.894 TFLOPS

Radeon HD 7750

VS

GeForce GT 645 OEM

Graphics Card

Feb 2012

Release Date

Apr 2012

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

72.00GB/s

Bandwidth

91.87GB/s

Render Config

8

Compute Units

-

SM Count

6

512

Shading Units

288

32

TMUs

48

16

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

9.312 GPixel/s

25.60 GTexel/s

Texture Rate

37.25 GTexel/s

-

819.2 GFLOPS

FP32 (float)

894.0 GFLOPS

51.20 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

55W

TDP

102W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

-

Graphics Processor

Cape Verde

GPU Name

GF114

Cape Verde PRO

GPU Variant

-

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.95 billion

123 mm²

Die Size

332 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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