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
RTX A4000 Mobile
CORE STATE
GA104
VRAM
8 GB
CLOCK SPEED
1680 MHz
TDP
115 W
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
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 A4000 Mobile
Core Specs
Shading Units
320
5,120
+1500.0%
Shaders
320
5,120
+1500.0%
TMUs
20
160
+700.0%
ROPs
8
80
+900.0%
Compute Units
5
—
SM Count
—
40
Clocks
Base Clock
780 MHz
1140 MHz
Boost Clock
855 MHz
1680 MHz
Memory Clock
System Shared
1500 MHz
12 Gbps effective
Memory
Memory Size
System Shared
8 GB
VRAM (MB)
—
8,192
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
384.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
128 KB
4 MB
Performance
Pixel Rate
6.840 GPixel/s
134.4 GPixel/s
Texture Rate
17.10 GTexel/s
268.8 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
17.20 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
268.8 GFLOPS (1:64)
FP16 (TFLOPS)
—
17.20 TFLOPS (1:1)
AI/RT
RT Cores
—
40
Tensor Cores
—
160
Power
TDP
—
115 W
TDP (W)
—
115
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Ampere
GPU Name
Jet
GA104
Generation
Gem System Hybrid
(Rx M200)
Ampere-MW
(Ax000)
Process Size
28 nm
8 nm
Transistors
690 million
17,400 million
Die Size
56 mm²
392 mm²
Foundry
TSMC
Samsung
Density
12.3M / mm²
44.4M / 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
—
8.6
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
IGP
—
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
IGP
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Quadro Turing-M
Successor
—
Ada-MW