GPU Comparison
RADEON
AMD 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
VS
RADEON
Radeon RX 6900 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
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 6800M
RX 6900 XT
Core Specs
Shading Units
2,560
5,120
+100.0%
Shaders
2,560
5,120
+100.0%
TMUs
160
320
+100.0%
ROPs
64
128
+100.0%
Compute Units
40
80
+100.0%
Clocks
Base Clock
2116 MHz
1825 MHz
Boost Clock
2390 MHz
2250 MHz
Game Clock
2300 MHz
2015 MHz
Memory Clock
2000 MHz
16 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
12 GB
16 GB
VRAM (MB)
12,288
16,384
+33.3%
Memory Type
GDDR6
GDDR6
Memory Bus
192 bit
256 bit
Bandwidth
384.0 GB/s
512.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
3 MB
4 MB
L3 Cache
96 MB
128 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
153.0 GPixel/s
288.0 GPixel/s
Texture Rate
382.4 GTexel/s
720.0 GTexel/s
FP32 (TFLOPS)
12.24 TFLOPS
23.04 TFLOPS
FP64 (TFLOPS)
764.8 GFLOPS (1:16)
1,440.0 GFLOPS (1:16)
FP16 (TFLOPS)
24.47 TFLOPS (2:1)
46.08 TFLOPS (2:1)
AI/RT
RT Cores
40
80
+100.0%
Power
TDP
145 W
300 W
TDP (W)
145
300
+106.9%
Suggested PSU
—
700 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 2.0
GPU Name
Navi 22
Navi 21
Generation
Navi Mobile
(RX 6000M)
Navi II
(RX 6000)
Process Size
7 nm
7 nm
Transistors
17,200 million
26,800 million
Die Size
335 mm²
520 mm²
Foundry
TSMC
TSMC
Density
51.3M / mm²
51.5M / 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
IGP
Triple-slot
Length
—
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
Portable Device Dependent
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Other
Launch Price
—
999 USD
Production
End-of-life
End-of-life
Predecessor
Polaris Mobile
Navi
Successor
—
Navi III