AMD Radeon HD 7750 vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon HD 7750

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7750 's Advantages

Lower TDP (55W vs 140W)

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 2 years and 7 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 72.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7750

0.819 TFLOPS

GeForce GTX 660 Rev. 2 +141%

1.981 TFLOPS

Radeon HD 7750

VS

GeForce GTX 660 Rev. 2

Graphics Card

Feb 2012

Release Date

Sep 2014

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1125 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

72.00GB/s

Bandwidth

144.2GB/s

Render Config

8

Compute Units

-

512

Shading Units

960

32

TMUs

80

16

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

20.64 GPixel/s

25.60 GTexel/s

Texture Rate

82.56 GTexel/s

-

819.2 GFLOPS

FP32 (float)

1.981 TFLOPS

51.20 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

55W

TDP

140W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

GK104

Cape Verde PRO

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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