NVIDIA GeForce GTX 780 vs AMD Radeon HD 7950M
GPU · Specs Compare
Graphics Card
Release Date
May 2013
Apr 2012
Generation
GeForce 700
London
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
863 MHz
—
Boost Clock
902 MHz
—
Memory Clock
1502 MHz
1000 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
128.0GB/s
Render Config
Shading Units
2304
1280
TMUs
192
80
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
43.30 GPixel/s
22.40 GPixel/s
Texture Rate
173.2 GTexel/s
56.00 GTexel/s
FP32 (float)
4.156 TFLOPS
1.792 TFLOPS
FP64 (double)
173.2 GFLOPS
—
Graphics Processor
GPU Name
GK110
Wimbledon
GPU Variant
GK110-300-A1
Wimbledon PRO
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.8 billion
Die Size
561 mm²
212 mm²
Board Design
TDP
250W
75W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
—
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.2.175
1.2
CUDA
3.5
—
Shader Model
6.5 (5.1)
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.