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 5090 Mobile
CORE STATE
GB203
VRAM
24 GB
CLOCK SPEED
1515 MHz
TDP
95 W
BUS WIDTH
256 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
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 5090 Mobile
Core Specs
Shading Units
320
10,496
+3180.0%
Shaders
320
10,496
+3180.0%
TMUs
20
328
+1540.0%
ROPs
8
112
+1300.0%
Compute Units
5
—
SM Count
—
82
Clocks
Base Clock
780 MHz
990 MHz
Boost Clock
855 MHz
1515 MHz
Memory Clock
System Shared
1750 MHz
28 Gbps effective
Memory
Memory Size
System Shared
24 GB
VRAM (MB)
—
24,576
Memory Type
System Shared
GDDR7
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
896.0 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
169.7 GPixel/s
Texture Rate
17.10 GTexel/s
496.9 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
31.80 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
496.9 GFLOPS (1:64)
FP16 (TFLOPS)
—
31.80 TFLOPS (1:1)
AI/RT
RT Cores
—
82
Tensor Cores
—
328
Power
TDP
—
95 W
TDP (W)
—
95
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Blackwell 2.0
GPU Name
Jet
GB203
Generation
Gem System Hybrid
(Rx M200)
GeForce 50 Mobile
Process Size
28 nm
5 nm
Transistors
690 million
45,600 million
Die Size
56 mm²
378 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
120.6M / 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
—
12.0
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
IGP
PCIe 5.0 x16
Other
Production
End-of-life
Active
Predecessor
—
GeForce 40 Mobile