AMD Radeon HD 7950 Boost vs NVIDIA GeForce GTX 780 Rev. 2
GPU Specs Compare
Graphics Card
Release Date
Jun 2012
Sep 2013
Generation
Southern Islands
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
863 MHz
Boost Clock
925 MHz
902 MHz
Memory Clock
1250 MHz
1502 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
240.0GB/s
288.4GB/s
Render Config
Compute Units
28
-
Shading Units
1792
2304
TMUs
112
192
ROPs
32
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
1536 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
43.30 GPixel/s
Texture Rate
103.6 GTexel/s
173.2 GTexel/s
FP32 (float)
3.315 TFLOPS
4.156 TFLOPS
FP64 (double)
828.8 GFLOPS
173.2 GFLOPS
Graphics Processor
GPU Name
Tahiti
GK110B
GPU Variant
Tahiti PRO2(215-0821282)
GK110-300-B1
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
7.08 billion
Die Size
352 mm²
561 mm²
Board Design
TDP
200W
250W
Suggested PSU
550 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
-
3.5