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GPU Comparison
AMD Radeon Pro Duo vs NVIDIA GeForce GT 645 OEM
AMD Radeon Pro Duo vs NVIDIA GeForce GT 645 OEM
VS
AMD Radeon Pro Duo
NVIDIA GeForce GT 645 OEM
We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo 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 Pro Duo 's Advantages
Released 4 years late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (512.0GB/s vs 91.87GB/s)
3808 additional rendering cores
NVIDIA GeForce GT 645 OEM 's Advantages
Lower TDP (102W vs 350W)
Score
Benchmark
FP32 (float)
Radeon Pro Duo
+816%
8.192 TFLOPS
GeForce GT 645 OEM
0.894 TFLOPS
Radeon Pro Duo
VS
GeForce GT 645 OEM
Graphics Card
Apr 2016
Release Date
Apr 2012
Radeon Pro
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
500 MHz
Memory Clock
957 MHz
Memory
4GB
Memory Size
1024MB
HBM
Memory Type
GDDR5
4096bit
Memory Bus
192bit
512.0GB/s
Bandwidth
91.87GB/s
Render Config
-
SM Count
6
64
Compute Units
-
4096
Shading Units
288
256
TMUs
48
64
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
384 KB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
9.312 GPixel/s
256.0 GTexel/s
Texture Rate
37.25 GTexel/s
8.192 TFLOPS
FP16 (half)
-
8.192 TFLOPS
FP32 (float)
894.0 GFLOPS
512.0 GFLOPS
FP64 (double)
74.50 GFLOPS
Graphics Processor
Capsaicin
GPU Name
GF114
Capsaicin XT
GPU Variant
-
GCN 3.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
8.9 billion
Transistors
1.95 billion
596 mm²
Die Size
332 mm²
Board Design
350W
TDP
102W
750 W
Suggested PSU
300 W
1x HDMI 1.4a 3x DisplayPort 1.2
Outputs
2x DVI 1x mini-HDMI 1.3a
3x 8-pin
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.0
Shader Model
5.1
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