AMD Radeon HD 7950 vs NVIDIA P102 100
GPU · Specs Compare
Graphics Card
Release Date
Jan 2012
Feb 2018
Generation
Southern Islands
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x4
Clock Speeds
Memory Clock
1250 MHz
1376 MHz
Base Clock
—
1582 MHz
Boost Clock
—
1683 MHz
Memory
Memory Size
3GB
5GB
Memory Type
GDDR5
GDDR5X
Memory Bus
384bit
320bit
Bandwidth
240.0GB/s
440.3GB/s
Render Config
Compute Units
28
—
Shading Units
1792
3200
TMUs
112
200
ROPs
32
80
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
768 KB
0 MB
SM Count
—
25
Theoretical Performance
Pixel Rate
25.60 GPixel/s
134.6 GPixel/s
Texture Rate
89.60 GTexel/s
336.6 GTexel/s
FP32 (float)
2.867 TFLOPS
10.77 TFLOPS
FP64 (double)
716.8 GFLOPS
336.6 GFLOPS
FP16 (half)
—
168.3 GFLOPS
Graphics Processor
GPU Name
Tahiti
GP102
GPU Variant
Tahiti PRO(215-0821056)
GP102-100-A1
Architecture
GCN 1.0
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
4.313 billion
11.8 billion
Die Size
352 mm²
471 mm²
Board Design
TDP
200W
250W
Suggested PSU
550 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.4
CUDA
—
6.1
Benchmark
3DMark Time Spy
1,969
7,042
3DMark Time Spy Extreme
1,019
3,817
▲ Specs Compare
Data sourced from official specifications and benchmark tests.