AMD Radeon RX 460 vs NVIDIA GeForce GT 640 OEM Rebrand
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 460 's Advantages
Released 4 years and 4 months late
Boost Clock1200MHz
More VRAM (2GB vs 1536GB)
Larger VRAM bandwidth (112.0GB/s vs 38.40GB/s)
752 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 460
+418%
2.15 TFLOPS
GeForce GT 640 OEM Rebrand
0.415 TFLOPS
Graphics Card
Aug 2016
Release Date
Apr 2012
Arctic Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1090 MHz
Base Clock
-
1200 MHz
Boost Clock
-
1750 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1536MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
192bit
112.0GB/s
Bandwidth
38.40GB/s
Render Config
14
Compute Units
-
-
SM Count
3
896
Shading Units
144
56
TMUs
24
16
ROPs
24
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
19.20 GPixel/s
Pixel Rate
4.320 GPixel/s
67.20 GTexel/s
Texture Rate
17.28 GTexel/s
2.150 TFLOPS
FP16 (half)
-
2.150 TFLOPS
FP32 (float)
414.7 GFLOPS
134.4 GFLOPS
FP64 (double)
34.56 GFLOPS
Board Design
75W
TDP
75W
250 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
Outputs
2x DVI
1x mini-HDMI 1.3a
None
Power Connectors
None
Graphics Processor
Baffin
GPU Name
GF116
Baffin PRO
GPU Variant
GF116-150-A1
GCN 4.0
Architecture
Fermi 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
3 billion
Transistors
1.17 billion
123 mm²
Die Size
238 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.4
Shader Model
5.1
