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
CMP 30HX
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1785 MHz
TDP
125 W
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
CMP 30HX
Core Specs
Shading Units
384
1,408
+266.7%
Shaders
384
1,408
+266.7%
TMUs
24
88
+266.7%
ROPs
8
48
+500.0%
Compute Units
6
—
SM Count
—
22
Clocks
Base Clock
925 MHz
1530 MHz
Boost Clock
940 MHz
1785 MHz
Memory Clock
1000 MHz
2 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
32.00 GB/s
336.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
7.520 GPixel/s
85.68 GPixel/s
Texture Rate
22.56 GTexel/s
157.1 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
5.027 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
157.1 GFLOPS (1:32)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
10.05 TFLOPS (2:1)
Power
TDP
—
125 W
TDP (W)
—
125
Suggested PSU
—
300 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
GCN 3.0
Turing
GPU Name
Topaz
TU116
Generation
Gem System
(R5 M200)
Mining GPUs
Process Size
28 nm
12 nm
Transistors
1,550 million
6,600 million
Die Size
125 mm²
284 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
23.2M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
7.5
Shader Model
6.5
6.8
Physical
Slot Width
—
Dual-slot
Length
—
229 mm
9 inches
Height
—
111 mm
4.4 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x4
Other
Launch Price
—
799 USD
Production
End-of-life
End-of-life
Predecessor
Solar System
—
Successor
Polaris Mobile
—