GPU Comparison
RADEON
AMD 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
VS
RADEON
Radeon Vega 11
CORE STATE
Picasso
VRAM
System Shared
CLOCK SPEED
1400 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
12 nm
LAUNCH DATE
2019
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 6900 XT
Vega 11
Core Specs
Shading Units
5,120
704
-86.3%
Shaders
5,120
704
-86.3%
TMUs
320
44
-86.3%
ROPs
128
8
-93.8%
Compute Units
80
11
-86.3%
Clocks
Base Clock
1825 MHz
300 MHz
Boost Clock
2250 MHz
1400 MHz
Game Clock
2015 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
System Shared
Memory
Memory Size
16 GB
System Shared
VRAM (MB)
16,384
—
Memory Type
GDDR6
System Shared
Memory Bus
256 bit
System Shared
Bandwidth
512.0 GB/s
System Dependent
Cache
L1 Cache
128 KB per Array
—
L2 Cache
4 MB
—
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
11.20 GPixel/s
Texture Rate
720.0 GTexel/s
61.60 GTexel/s
FP32 (TFLOPS)
23.04 TFLOPS
1.971 TFLOPS
FP64 (TFLOPS)
1,440.0 GFLOPS (1:16)
123.2 GFLOPS (1:16)
FP16 (TFLOPS)
46.08 TFLOPS (2:1)
3.942 TFLOPS (2:1)
AI/RT
RT Cores
80
—
Power
TDP
300 W
15 W
TDP (W)
300
15
-95.0%
Suggested PSU
700 W
—
Power Connectors
2x 8-pin
None
Architecture
Architecture
RDNA 2.0
GCN 5.0
GPU Name
Navi 21
Picasso
Generation
Navi II
(RX 6000)
Vega IGP
(Picasso)
Process Size
7 nm
12 nm
Transistors
26,800 million
4,940 million
Die Size
520 mm²
210 mm²
Foundry
TSMC
GlobalFoundries
Density
51.5M / mm²
23.5M / 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
Triple-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
Motherboard Dependent
Bus Interface
PCIe 4.0 x16
IGP
Other
Launch Price
999 USD
—
Production
End-of-life
End-of-life
Predecessor
Navi
GCN 3.0 IGP
Successor
Navi III
Vega II IGP