AMD Radeon Instinct MI8 vs AMD Radeon HD 6990M
GPU · Specs Compare
Graphics Card
Release Date
Dec 2016
Jul 2011
Generation
Radeon Instinct
Vancouver
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
500 MHz
900 MHz
Memory
Memory Size
4GB
2GB
Memory Type
HBM
GDDR5
Memory Bus
4096bit
256bit
Bandwidth
512.0GB/s
115.2GB/s
Render Config
Compute Units
64
14
Shading Units
4096
1120
TMUs
256
56
ROPs
64
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
22.88 GPixel/s
Texture Rate
256.0 GTexel/s
40.04 GTexel/s
FP16 (half)
8.192 TFLOPS
—
FP32 (float)
8.192 TFLOPS
1.602 TFLOPS
FP64 (double)
512.0 GFLOPS
—
Graphics Processor
GPU Name
Fiji
Blackcomb
GPU Variant
Fiji XT CA(215-0862120)
Blackcomb XTX(216-0811030)
Architecture
GCN 3.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
8.9 billion
1.7 billion
Die Size
596 mm²
212 mm²
Board Design
TDP
175W
100W
Suggested PSU
450 W
—
Outputs
No outputs
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2.170
N/A
Shader Model
6.5
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.