GPU Comparison
RADEON
AMD Radeon RX 6800
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2105 MHz
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2020
VS
RADEON
Radeon RX Vega 64
CORE STATE
Vega 10
VRAM
8 GB
CLOCK SPEED
1546 MHz
TDP
295 W
BUS WIDTH
2048 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2017
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
RX Vega 64
Core Specs
Shading Units
3,840
4,096
+6.7%
Shaders
3,840
4,096
+6.7%
TMUs
240
256
+6.7%
ROPs
96
64
-33.3%
Compute Units
60
64
+6.7%
Clocks
Base Clock
1700 MHz
1247 MHz
Boost Clock
2105 MHz
1546 MHz
Game Clock
1815 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
945 MHz
1890 Mbps effective
Memory
Memory Size
16 GB
8 GB
VRAM (MB)
16,384
8,192
-50.0%
Memory Type
GDDR6
HBM2
Memory Bus
256 bit
2048 bit
Bandwidth
512.0 GB/s
483.8 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
202.1 GPixel/s
98.94 GPixel/s
Texture Rate
505.2 GTexel/s
395.8 GTexel/s
FP32 (TFLOPS)
16.17 TFLOPS
12.66 TFLOPS
FP64 (TFLOPS)
1,010.4 GFLOPS (1:16)
791.6 GFLOPS (1:16)
FP16 (TFLOPS)
32.33 TFLOPS (2:1)
25.33 TFLOPS (2:1)
AI/RT
RT Cores
60
—
Power
TDP
250 W
295 W
TDP (W)
250
295
+18.0%
Suggested PSU
600 W
600 W
Power Connectors
2x 8-pin
2x 8-pin
Architecture
Architecture
RDNA 2.0
GCN 5.0
GPU Name
Navi 21
Vega 10
Generation
Navi II
(RX 6000)
Vega
(RX Vega)
Process Size
7 nm
14 nm
Transistors
26,800 million
12,500 million
Die Size
520 mm²
495 mm²
Foundry
TSMC
GlobalFoundries
Density
51.5M / mm²
25.3M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.3
OpenCL
2.1
2.1
Shader Model
6.8
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
280 mm
11 inches
Height
120 mm
4.7 inches
111 mm
4.4 inches
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Other
Launch Price
579 USD
499 USD
Production
End-of-life
End-of-life
Predecessor
Navi
Polaris
Successor
Navi III
Navi