AMD Radeon R7 250E vs NVIDIA GeForce GT 640 OEM

What is the difference between AMD Radeon R7 250E and NVIDIA GeForce GT 640 OEM. Find out which graphics card has better performance.

Graphics Processor (GPU)

Cape VerdeGPU NameGK107
Cape Verde PROModel numberGK107-320-A2
GCN 1.0ArchitectureKepler
TSMCFoundryTSMC
28 nmProcess Size28 nm
1,500 millionTransistors1,270 million
123 mm²Die Size118 mm²

Graphics Card

Dec 20th, 2013Release DateApr 24th, 2012
Volcanic Islands
(R7 200)
FamilyGeForce 600
End-of-lifeProductionEnd-of-life
Sea IslandsPredecessorGeForce 500
PCIe 3.0 x16Bus InterfacePCIe 3.0 x16

Memory

1024 MBMemory Size2 GB
GDDR5Memory TypeDDR3
128 bitMemory Bus128 bit
72.00 GB/sBandwidth28.51 GB/s

Performance

12.80 GPixel/sPixel fillrate6.376 GPixel/s
25.60 GTexel/sTexture fillrate25.50 GTexel/s
819.2 GFLOPSFP32 (float) performance612.1 GFLOPS
51.20 GFLOPS (1:16)FP64 (double) performance25.50 GFLOPS (1:24)

Clock Speeds

1125 MHz
4.5 Gbps effective
Memory Clock891 MHz
1782 Mbps effective
800 MHzGPU Clock797 MHz

Render Config

512Shading Units384
32TMUs32
16ROPs16
16 KB (per CU)L1 Cache16 KB (per SMX)
256 KBL2 Cache256 KB

Board Design

Single-slotSlot WidthSingle-slot
168 mm
6.6 inches
Length145 mm
5.7 inches
55 WThermal design power (TDP)50 W
250 WSuggested PSU250 W
1x DVI
1x HDMI
1x DisplayPort
Display Connectors1x DVI
1x HDMI
1x DisplayPort
NonePower ConnectorsNone
C444,
C445
Board NumberP2010

API support

12 (11_1)DirectX12 (11_0)
4.6OpenGL4.6
1.2OpenCL3.0
1.2Vulkan1.1
5.1Shader Model5.1