GPU Comparison
RADEON
AMD Radeon RX 6800 XT
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2250 MHz
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2020
VS
RADEON
Radeon RX 6800M
CORE STATE
Navi 22
VRAM
12 GB
CLOCK SPEED
2390 MHz
TDP
145 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6800 XT
RX 6800M
Core Specs
Shading Units
4,608
2,560
-44.4%
Shaders
4,608
2,560
-44.4%
TMUs
288
160
-44.4%
ROPs
128
64
-50.0%
Compute Units
72
40
-44.4%
Clocks
Base Clock
1825 MHz
2116 MHz
Boost Clock
2250 MHz
2390 MHz
Game Clock
2015 MHz
2300 MHz
Memory Clock
2000 MHz
16 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
16 GB
12 GB
VRAM (MB)
16,384
12,288
-25.0%
Memory Type
GDDR6
GDDR6
Memory Bus
256 bit
192 bit
Bandwidth
512.0 GB/s
384.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
3 MB
L3 Cache
128 MB
96 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
288.0 GPixel/s
153.0 GPixel/s
Texture Rate
648.0 GTexel/s
382.4 GTexel/s
FP32 (TFLOPS)
20.74 TFLOPS
12.24 TFLOPS
FP64 (TFLOPS)
1,296.0 GFLOPS (1:16)
764.8 GFLOPS (1:16)
FP16 (TFLOPS)
41.47 TFLOPS (2:1)
24.47 TFLOPS (2:1)
AI/RT
RT Cores
72
40
-44.4%
Power
TDP
300 W
145 W
TDP (W)
300
145
-51.7%
Suggested PSU
700 W
—
Power Connectors
2x 8-pin
None
Architecture
Architecture
RDNA 2.0
RDNA 2.0
GPU Name
Navi 21
Navi 22
Generation
Navi II
(RX 6000)
Navi Mobile
(RX 6000M)
Process Size
7 nm
7 nm
Transistors
26,800 million
17,200 million
Die Size
520 mm²
335 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
51.3M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
2.1
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
IGP
Length
267 mm
10.5 inches
—
Height
120 mm
4.7 inches
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Portable Device Dependent
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Other
Launch Price
649 USD
—
Production
End-of-life
End-of-life
Predecessor
Navi
Polaris Mobile
Successor
Navi III
—