Home GPU Comparison NVIDIA GeForce GT 640 vs AMD Radeon R5 310 OEM

NVIDIA GeForce GT 640 vs AMD Radeon R5 310 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM Radeon R5 310 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.51GB/s vs 14.40GB/s)
224 additional rendering cores
AMD Radeon R5 310 OEM 's Advantages
Released 2 years and 11 months late
Lower TDP (35W vs 65W)

Score

Benchmark

FP32 (float)
GeForce GT 640 +147%
0.693 TFLOPS
Radeon R5 310 OEM
0.28 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
May 2015
GeForce 600
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
891 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.51GB/s
Bandwidth
14.40GB/s

Render Config

-
Compute Units
2
-
-
-
384
Shading Units
160
32
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
3.500 GPixel/s
28.86 GTexel/s
Texture Rate
7.000 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
280.0 GFLOPS
28.86 GFLOPS
FP64 (double)
-

Board Design

65W
TDP
35W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a
None
Power Connectors
None

Graphics Processor

GK107
GPU Name
Caicos
GK107-300-A2
GPU Variant
Caicos XT (215-0804070)
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
0.37 billion
118 mm²
Die Size
67 mm²

Graphics Features

12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0

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