AMD Radeon RX 6950 XT vs AMD Radeon E8870
GPU Specs Compare
Graphics Card
Release Date
May 2022
Sep 2015
Generation
Navi II
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1860 MHz
-
Boost Clock
2310 MHz
-
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
576.0GB/s
96.00GB/s
Render Config
Compute Units
80
12
Shading Units
5120
768
TMUs
320
48
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
295.7 GPixel/s
16.00 GPixel/s
Texture Rate
739.2 GTexel/s
48.00 GTexel/s
FP16 (half)
47.31 TFLOPS
-
FP32 (float)
23.65 TFLOPS
1.536 TFLOPS
FP64 (double)
1478 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Navi 21
Saturn
GPU Variant
Navi 21 KXTX(215-121000289)
Saturn PRO
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
335W
75W
Suggested PSU
700 W
-
Outputs
1x HDMI 2.12x DisplayPort 1.4a
No outputs
Power Connectors
2x 8-pin
None
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