Radeon X1650 GT vs GeForce GT 645 OEM
We compared two Desktop platform GPUs: 128MB VRAM Radeon X1650 GT and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 645 OEM 's Advantages
Released 4 years and 11 months late
More VRAM (1024GB vs 128GB)
Larger VRAM bandwidth (91.87GB/s vs 12.80GB/s)
288 additional rendering cores
Score
Graphics Card
May 2007
Release Date
Apr 2012
Radeon R500 PCIe
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
400 MHz
Memory Clock
957 MHz
Memory
128MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
192bit
12.80GB/s
Bandwidth
91.87GB/s
Render Config
-
SM Count
6
-
Shading Units
288
8
TMUs
48
8
ROPs
24
-
L1 Cache
64 KB (per SM)
-
L2 Cache
384 KB
Theoretical Performance
3.200 GPixel/s
Pixel Rate
9.312 GPixel/s
3.200 GTexel/s
Texture Rate
37.25 GTexel/s
-
FP32 (float)
894.0 GFLOPS
-
FP64 (double)
74.50 GFLOPS
Board Design
Unknown
TDP
102W
200 W
Suggested PSU
300 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x mini-HDMI 1.3a
None
Power Connectors
-
Graphics Processor
RV560
GPU Name
GF114
RV560 GT
GPU Variant
-
Ultra-Threaded SE
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
80 nm
Process Size
40 nm
0.312 billion
Transistors
1.95 billion
230 mm²
Die Size
332 mm²
Graphics Features
9.0c (9_3)
DirectX
12 (11_0)
2.1
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
3.0
Shader Model
5.1
