AMD Radeon Pro W6900X vs AMD Radeon HD 8770 OEM
GPU · Specs Compare
Graphics Card
Release Date
Aug 2021
Sep 2013
Generation
Radeon Pro Mac
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
—
Boost Clock
2150 MHz
—
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
32GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
512.0GB/s
96.00GB/s
Render Config
Compute Units
80
14
Shading Units
5120
896
TMUs
320
56
ROPs
128
16
RT Cores
80
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
275.2 GPixel/s
16.80 GPixel/s
Texture Rate
688.0 GTexel/s
58.80 GTexel/s
FP16 (half)
44.03 TFLOPS
—
FP32 (float)
22.02 TFLOPS
1.882 TFLOPS
FP64 (double)
1376 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
Navi 21
Bonaire
GPU Variant
Navi 21 Pro-XTA
Bonaire XT(215-0839039)
Architecture
RDNA 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
2.08 billion
Die Size
520 mm²
160 mm²
Board Design
TDP
300W
85W
Suggested PSU
700 W
250 W
Outputs
1x HDMI 2.14x Thunderbolt
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.5
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.