GPU Comparison
RADEON
AMD Radeon R5 M255
CORE STATE
Topaz
VRAM
2 GB
CLOCK SPEED
940 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 3.0
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_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
RTX 5090 Mobile
Core Specs
Shading Units
384
10,496
+2633.3%
Shaders
384
10,496
+2633.3%
TMUs
24
328
+1266.7%
ROPs
8
112
+1300.0%
Compute Units
6
—
SM Count
—
82
Clocks
Base Clock
925 MHz
990 MHz
Boost Clock
940 MHz
1515 MHz
Memory Clock
1000 MHz
2 Gbps effective
1750 MHz
28 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
DDR3
GDDR7
Memory Bus
128 bit
256 bit
Bandwidth
32.00 GB/s
896.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
64 MB
Performance
Pixel Rate
7.520 GPixel/s
169.7 GPixel/s
Texture Rate
22.56 GTexel/s
496.9 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
31.80 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
496.9 GFLOPS (1:64)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
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 3.0
Blackwell 2.0
GPU Name
Topaz
GB203
Generation
Gem System
(R5 M200)
GeForce 50 Mobile
Process Size
28 nm
5 nm
Transistors
1,550 million
45,600 million
Die Size
125 mm²
378 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
120.6M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
12.0
Shader Model
6.5
6.8
Physical
Slot Width
—
IGP
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 5.0 x16
Other
Production
End-of-life
Active
Predecessor
Solar System
GeForce 40 Mobile
Successor
Polaris Mobile
—