NVIDIA GeForce GTX 770M vs AMD Radeon R9 270 1024SP
GPU · Specs Compare
Graphics Card
Release Date
May 2013
Mar 2015
Generation
GeForce 700M
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
706 MHz
900 MHz
Boost Clock
797 MHz
925 MHz
Memory Clock
1002 MHz
1200 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
96.19GB/s
153.6GB/s
Render Config
Shading Units
960
1024
TMUs
80
64
ROPs
24
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
512 KB
Compute Units
—
16
Theoretical Performance
Pixel Rate
15.94 GPixel/s
29.60 GPixel/s
Texture Rate
63.76 GTexel/s
59.20 GTexel/s
FP32 (float)
1.530 TFLOPS
1.894 TFLOPS
FP64 (double)
63.76 GFLOPS
118.4 GFLOPS
Graphics Processor
GPU Name
GK106
Pitcairn
GPU Variant
N14E-GS-A1
Pitcairn PRO(215-0828062)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.54 billion
2.8 billion
Die Size
221 mm²
212 mm²
Board Design
TDP
75W
150W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.0
—
Shader Model
5.1
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.