GPU Comparison
RADEON
AMD Radeon R6 M255DX
CORE STATE
Jet
VRAM
System Shared
CLOCK SPEED
855 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
GeForce RTX 4090 Mobile
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
1695 MHz
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
RTX 4090 Mobile
Core Specs
Shading Units
320
9,728
+2940.0%
Shaders
320
9,728
+2940.0%
TMUs
20
304
+1420.0%
ROPs
8
112
+1300.0%
Compute Units
5
—
SM Count
—
76
Clocks
Base Clock
780 MHz
1335 MHz
Boost Clock
855 MHz
1695 MHz
Memory Clock
System Shared
2250 MHz
18 Gbps effective
Memory
Memory Size
System Shared
16 GB
VRAM (MB)
—
16,384
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
576.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
128 KB
64 MB
Performance
Pixel Rate
6.840 GPixel/s
189.8 GPixel/s
Texture Rate
17.10 GTexel/s
515.3 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
32.98 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
515.3 GFLOPS (1:64)
FP16 (TFLOPS)
—
32.98 TFLOPS (1:1)
AI/RT
RT Cores
—
76
Tensor Cores
—
304
Power
TDP
—
120 W
TDP (W)
—
120
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Jet
AD103
Generation
Gem System Hybrid
(Rx M200)
GeForce 40 Mobile
Process Size
28 nm
5 nm
Transistors
690 million
45,900 million
Die Size
56 mm²
379 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
121.1M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
8.9
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
IGP
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
—
GeForce 30 Mobile
Successor
—
GeForce 50 Mobile