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
GEFORCE
GeForce RTX 4080 Mobile
CORE STATE
AD104
VRAM
12 GB
CLOCK SPEED
1665 MHz
TDP
110 W
BUS WIDTH
192 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
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
RTX 4080 Mobile
Core Specs
Shading Units
5,120
7,424
+45.0%
Shaders
5,120
7,424
+45.0%
TMUs
320
232
-27.5%
ROPs
128
80
-37.5%
Compute Units
80
—
SM Count
—
58
Clocks
Base Clock
1825 MHz
1290 MHz
Boost Clock
2250 MHz
1665 MHz
Game Clock
2015 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
2250 MHz
18 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
432.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
48 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
133.2 GPixel/s
Texture Rate
720.0 GTexel/s
386.3 GTexel/s
FP32 (TFLOPS)
23.04 TFLOPS
24.72 TFLOPS
FP64 (TFLOPS)
1,440.0 GFLOPS (1:16)
386.3 GFLOPS (1:64)
FP16 (TFLOPS)
46.08 TFLOPS (2:1)
24.72 TFLOPS (1:1)
AI/RT
RT Cores
80
58
-27.5%
Tensor Cores
—
232
Power
TDP
300 W
110 W
TDP (W)
300
110
-63.3%
Suggested PSU
700 W
—
Power Connectors
2x 8-pin
None
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Navi 21
AD104
Generation
Navi II
(RX 6000)
GeForce 40 Mobile
Process Size
7 nm
5 nm
Transistors
26,800 million
35,800 million
Die Size
520 mm²
294 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
121.8M / 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
3.0
CUDA
—
8.9
Shader Model
6.8
6.8
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
Portable Device Dependent
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Other
Launch Price
999 USD
—
Production
End-of-life
Active
Predecessor
Navi
GeForce 30 Mobile
Successor
Navi III
GeForce 50 Mobile