AMD Radeon HD 7950 vs AMD Radeon Instinct MI6

GPU Specs Compare

Graphics Card

Release Date
Jan 2012
Dec 2016
Generation
Southern Islands
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16

Clock Speeds

Memory Clock
1250 MHz
1750 MHz
Base Clock
-
1120 MHz
Boost Clock
-
1233 MHz

Memory

Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
224.0GB/s

Render Config

Compute Units
28
36
Shading Units
1792
2304
TMUs
112
144
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
2 MB

Theoretical Performance

Pixel Rate
25.60 GPixel/s
39.46 GPixel/s
Texture Rate
89.60 GTexel/s
177.6 GTexel/s
FP32 (float)
2.867 TFLOPS
5.682 TFLOPS
FP64 (double)
716.8 GFLOPS
355.1 GFLOPS
FP16 (half)
-
5.682 TFLOPS

Graphics Processor

GPU Name
Tahiti
Ellesmere
GPU Variant
Tahiti PRO(215-0821056)
Ellesmere XT
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
4.313 billion
5.7 billion
Die Size
352 mm²
232 mm²

Board Design

TDP
200W
150W
Suggested PSU
550 W
450 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
1x 6-pin

Graphics Features

DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.4

📊 Benchmark

3DMark Time Spy
1,969
-
3DMark Time Spy Extreme
1,019
-