AMD Radeon E8950 vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Mar 2011
Generation
Embedded
Northern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 2.0 x16
Clock Speeds
Base Clock
735 MHz
-
Boost Clock
1000 MHz
-
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
192.0GB/s
160.0GB/s
Render Config
Compute Units
32
24
Shading Units
2048
1536
TMUs
128
96
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
26.56 GPixel/s
Texture Rate
128.0 GTexel/s
79.68 GTexel/s
FP16 (half)
4.096 TFLOPS
-
FP32 (float)
4.096 TFLOPS
2.550 TFLOPS
FP64 (double)
256.0 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Amethyst
Antilles
GPU Variant
E8950
Antilles XT(215-0807027)
Architecture
GCN 3.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
5 billion
2.64 billion
Die Size
366 mm²
389 mm²
Board Design
TDP
95W
375W
Outputs
No outputs
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Suggested PSU
-
750 W
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.0
1.2
Vulkan
1.2
N/A
Shader Model
6.3
5.0