AMD Radeon RX 6800 3456SP vs NVIDIA GeForce GTX 870M
GPU Specs Compare
Graphics Card
Release Date
Unknown
Mar 2014
Generation
Navi II
GeForce 800M
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1700 MHz
941 MHz
Boost Clock
2250 MHz
967 MHz
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
16GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
192bit
Bandwidth
512.0GB/s
120.0GB/s
Render Config
Compute Units
54
-
Shading Units
3456
1344
TMUs
216
112
ROPs
96
24
RT Cores
54
-
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
4 MB
384 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
216.0 GPixel/s
27.08 GPixel/s
Texture Rate
486.0 GTexel/s
108.3 GTexel/s
FP16 (half)
31.10 TFLOPS
-
FP32 (float)
15.55 TFLOPS
2.599 TFLOPS
FP64 (double)
972.0 GFLOPS
108.3 GFLOPS
Graphics Processor
GPU Name
Navi 21
GK104
GPU Variant
Navi 21 ES(215-121000066)
N15E-GT-A2
Architecture
RDNA 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
3.54 billion
Die Size
520 mm²
294 mm²
Board Design
TDP
250W
100W
Suggested PSU
600 W
-
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.1
Shader Model
6.8
5.1
CUDA
-
3.0