AMD Radeon HD 8950 OEM vs AMD Radeon Pro W6900X
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Aug 2021
Generation
Sea Islands
Radeon Pro Mac
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
850 MHz
1825 MHz
Boost Clock
925 MHz
2150 MHz
Memory Clock
1250 MHz
2000 MHz
Memory
Memory Size
3GB
32GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
512.0GB/s
Render Config
Compute Units
28
80
Shading Units
1792
5120
TMUs
112
320
ROPs
32
128
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
4 MB
RT Cores
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
275.2 GPixel/s
Texture Rate
103.6 GTexel/s
688.0 GTexel/s
FP32 (float)
3.315 TFLOPS
22.02 TFLOPS
FP64 (double)
828.8 GFLOPS
1376 GFLOPS
FP16 (half)
-
44.03 TFLOPS
Graphics Processor
GPU Name
Tahiti
Navi 21
GPU Variant
Tahiti PRO(215-0821056)
Navi 21 Pro-XTA
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
26.8 billion
Die Size
352 mm²
520 mm²
Board Design
TDP
200W
300W
Suggested PSU
550 W
700 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.14x Thunderbolt
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.5