Home GPU Comparison AMD Radeon HD 7750 vs NVIDIA GeForce GTX 660

AMD Radeon HD 7750 vs NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 2GB VRAM GeForce GTX 660 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 's Advantages
Released 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 +141%
1.981 TFLOPS
VS

Graphics Card

Feb 2012
Release Date
Sep 2012
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
GK106
Cape Verde PRO
GPU Variant
GK106-400-A1
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
2.54 billion
123 mm²
Die Size
221 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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