Home GPU Comparison ATI Radeon HD 3750 vs NVIDIA GeForce GT 640 Rev. 2

ATI Radeon HD 3750 vs NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 Rev. 2 's Advantages
Released 4 years and 8 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (40.06GB/s vs 22.18GB/s)
264 additional rendering cores
Lower TDP (49W vs 65W)

Score

Benchmark

FP32 (float)
Radeon HD 3750
0.191 TFLOPS
GeForce GT 640 Rev. 2 +320%
0.803 TFLOPS
VS

Graphics Card

Sep 2008
Release Date
May 2013
Radeon R600
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x8

Clock Speeds

-
-
-
-
-
-
693 MHz
Memory Clock
1252 MHz

Memory

512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
22.18GB/s
Bandwidth
40.06GB/s

Render Config

3
Compute Units
-
-
-
-
120
Shading Units
384
8
TMUs
32
4
ROPs
8
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

3.184 GPixel/s
Pixel Rate
8.368 GPixel/s
6.368 GTexel/s
Texture Rate
33.47 GTexel/s
-
-
-
191.0 GFLOPS
FP32 (float)
803.3 GFLOPS
-
FP64 (double)
33.47 GFLOPS

Board Design

65W
TDP
49W
250 W
Suggested PSU
200 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
None
Power Connectors
None

Graphics Processor

RV635
GPU Name
GK208
RV635 PRO (215-0682008)
GPU Variant
GK208-400-A1
TeraScale
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.378 billion
Transistors
1.02 billion
135 mm²
Die Size
87 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
4.1
Shader Model
5.1

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