NVIDIA GeForce GTX 770M vs AMD Radeon HD 7870 XT
GPU Specs Compare
Graphics Card
Release Date
May 2013
Nov 2012
Generation
GeForce 700M
Southern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
706 MHz
925 MHz
Boost Clock
797 MHz
975 MHz
Memory Clock
1002 MHz
1500 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
96.19GB/s
192.0GB/s
Render Config
Shading Units
960
1536
TMUs
80
96
ROPs
24
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
512 KB
Compute Units
-
24
Theoretical Performance
Pixel Rate
15.94 GPixel/s
31.20 GPixel/s
Texture Rate
63.76 GTexel/s
93.60 GTexel/s
FP32 (float)
1.530 TFLOPS
2.995 TFLOPS
FP64 (double)
63.76 GFLOPS
748.8 GFLOPS
Graphics Processor
GPU Name
GK106
Tahiti
GPU Variant
N14E-GS-A1
Tahiti LE(215-0821122)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.54 billion
4.313 billion
Die Size
221 mm²
352 mm²
Board Design
TDP
75W
185W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 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