Home GPU Comparison AMD Radeon R5 240 OEM vs NVIDIA GeForce GT 640 Rev. 2

AMD Radeon R5 240 OEM vs NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 240 OEM 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

AMD Radeon R5 240 OEM 's Advantages
Released 6 months late
Boost Clock780MHz
More VRAM (2GB vs 1024GB)
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Larger VRAM bandwidth (40.06GB/s vs 14.40GB/s)
Lower TDP (49W vs 50W)

Score

Benchmark

FP32 (float)
Radeon R5 240 OEM
0.599 TFLOPS
GeForce GT 640 Rev. 2 +34%
0.803 TFLOPS
VS

Graphics Card

Nov 2013
Release Date
May 2013
Volcanic Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x8

Clock Speeds

730 MHz
Base Clock
-
780 MHz
Boost Clock
-
900 MHz
Memory Clock
1252 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
40.06GB/s

Render Config

6
Compute Units
-
-
-
-
384
Shading Units
384
24
TMUs
32
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

6.240 GPixel/s
Pixel Rate
8.368 GPixel/s
18.72 GTexel/s
Texture Rate
33.47 GTexel/s
-
-
-
599.0 GFLOPS
FP32 (float)
803.3 GFLOPS
37.44 GFLOPS
FP64 (double)
33.47 GFLOPS

Board Design

50W
TDP
49W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 1x VGA
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
None
Power Connectors
None

Graphics Processor

Oland
GPU Name
GK208
-
GPU Variant
GK208-400-A1
GCN 1.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.95 billion
Transistors
1.02 billion
77 mm²
Die Size
87 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
3.5
5.1
Shader Model
5.1

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