AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 650 Ti

What is the difference between AMD Radeon R9 270 1024SP and NVIDIA GeForce GTX 650 Ti. Find out which graphics card has better performance.

Graphics Processor (GPU)

PitcairnGPU NameGK106
Pitcairn PRO
(215-0828062)
Model numberGK106-220-A1
GCN 1.0ArchitectureKepler
TSMCFoundryTSMC
28 nmProcess Size28 nm
2,800 millionTransistors2,540 million
212 mm²Die Size221 mm²

Graphics Card

Mar 13th, 2015Release DateOct 9th, 2012
Volcanic Islands
(R9 200)
FamilyGeForce 600
ActiveProductionEnd-of-life
Sea IslandsPredecessorGeForce 500
PCIe 3.0 x16Bus InterfacePCIe 3.0 x16

Memory

2 GBMemory Size1024 MB
GDDR5Memory TypeGDDR5
256 bitMemory Bus128 bit
153.6 GB/sBandwidth86.40 GB/s

Performance

29.60 GPixel/sPixel fillrate14.85 GPixel/s
59.20 GTexel/sTexture fillrate59.39 GTexel/s
1.894 TFLOPSFP32 (float) performance1,425 GFLOPS
118.4 GFLOPS (1:16)FP64 (double) performance59.39 GFLOPS (1:24)

Clock Speeds

1200 MHz
4.8 Gbps effective
Memory Clock1350 MHz
5.4 Gbps effective

Render Config

1024Shading Units768
64TMUs64
32ROPs16
16 KB (per CU)L1 Cache16 KB (per SMX)
512 KBL2 Cache256 KB

Board Design

Dual-slotSlot WidthSingle-slot
150 WThermal design power (TDP)110 W
450 WSuggested PSU300 W
2x DVI
1x HDMI
1x DisplayPort
Display Connectors2x DVI
1x mini-HDMI
1x 6-pinPower Connectors1x 6-pin
C403Board NumberP2010

API support

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