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 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
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 4080 Mobile
Core Specs
Shading Units
320
7,424
+2220.0%
Shaders
320
7,424
+2220.0%
TMUs
20
232
+1060.0%
ROPs
8
80
+900.0%
Compute Units
5
—
SM Count
—
58
Clocks
Base Clock
780 MHz
1290 MHz
Boost Clock
855 MHz
1665 MHz
Memory Clock
System Shared
2250 MHz
18 Gbps effective
Memory
Memory Size
System Shared
12 GB
VRAM (MB)
—
12,288
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
192 bit
Bandwidth
System Dependent
432.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
128 KB
48 MB
Performance
Pixel Rate
6.840 GPixel/s
133.2 GPixel/s
Texture Rate
17.10 GTexel/s
386.3 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
24.72 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
386.3 GFLOPS (1:64)
FP16 (TFLOPS)
—
24.72 TFLOPS (1:1)
AI/RT
RT Cores
—
58
Tensor Cores
—
232
Power
TDP
—
110 W
TDP (W)
—
110
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Jet
AD104
Generation
Gem System Hybrid
(Rx M200)
GeForce 40 Mobile
Process Size
28 nm
5 nm
Transistors
690 million
35,800 million
Die Size
56 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
121.8M / 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