AMD Radeon PRO W7900 vs AMD Radeon HD 8870 OEM
GPU Specs Compare
Graphics Card
Release Date
May 2023
Jan 2013
Generation
Radeon Pro Navi
Sea Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1760 MHz
-
Boost Clock
2495 MHz
-
Memory Clock
2250 MHz
1200 MHz
Memory
Memory Size
48GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
384bit
256bit
Bandwidth
864.0GB/s
153.6GB/s
Render Config
Compute Units
96
20
Shading Units
6144
1280
TMUs
384
80
ROPs
192
32
RT Cores
96
-
L1 Cache
256 KB per Array
16 KB (per CU)
L2 Cache
6 MB
512 KB
L3 Cache
96 MB
-
Theoretical Performance
Pixel Rate
479.0 GPixel/s
32.00 GPixel/s
Texture Rate
958.1 GTexel/s
80.00 GTexel/s
FP16 (half)
122.6 TFLOPS
-
FP32 (float)
61.32 TFLOPS
2.560 TFLOPS
FP64 (double)
1.916 TFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Navi 31
Pitcairn
GPU Variant
Navi 31 XTW
Pitcairn XT(215-0828047)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
57.7 billion
2.8 billion
Die Size
529 mm²
212 mm²
Board Design
TDP
295W
175W
Suggested PSU
600 W
450 W
Outputs
3x DisplayPort 2.11x mini-DisplayPort 2.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.0
1.2
Vulkan
1.4
1.2
Shader Model
6.9
5.1