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
A10G
CORE STATE
GA102
VRAM
24 GB
CLOCK SPEED
1710 MHz
TDP
150 W
BUS WIDTH
384 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
A10G
Core Specs
Shading Units
384
9,216
+2300.0%
Shaders
384
9,216
+2300.0%
TMUs
24
288
+1100.0%
ROPs
8
96
+1100.0%
Compute Units
6
—
SM Count
—
72
Clocks
Base Clock
925 MHz
1320 MHz
Boost Clock
940 MHz
1710 MHz
Memory Clock
1000 MHz
2 Gbps effective
1563 MHz
12.5 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
384 bit
Bandwidth
32.00 GB/s
600.2 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
6 MB
Performance
Pixel Rate
7.520 GPixel/s
164.2 GPixel/s
Texture Rate
22.56 GTexel/s
492.5 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
31.52 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
985.0 GFLOPS (1:32)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
31.52 TFLOPS (1:1)
AI/RT
RT Cores
—
72
Tensor Cores
—
288
Power
TDP
—
150 W
TDP (W)
—
150
Suggested PSU
—
450 W
Power Connectors
—
8-pin EPS
Architecture
Architecture
GCN 3.0
Ampere
GPU Name
Topaz
GA102
Generation
Gem System
(R5 M200)
Server Ampere
(Axx)
Process Size
28 nm
8 nm
Transistors
1,550 million
28,300 million
Die Size
125 mm²
628 mm²
Foundry
TSMC
Samsung
Density
12.4M / mm²
45.1M / 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
—
8.6
Shader Model
6.5
6.8
Physical
Slot Width
—
Single-slot
Length
—
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Tesla Turing
Successor
Polaris Mobile
Server Ada