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
P102-100
CORE STATE
GP102
VRAM
5 GB
CLOCK SPEED
1683 MHz
TDP
250 W
BUS WIDTH
320 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
P102-100
Core Specs
Shading Units
384
3,200
+733.3%
Shaders
384
3,200
+733.3%
TMUs
24
200
+733.3%
ROPs
8
80
+900.0%
Compute Units
6
—
SM Count
—
25
Clocks
Base Clock
925 MHz
1582 MHz
Boost Clock
940 MHz
1683 MHz
Memory Clock
1000 MHz
2 Gbps effective
1376 MHz
11 Gbps effective
Memory
Memory Size
2 GB
5 GB
VRAM (MB)
2,048
5,120
+150.0%
Memory Type
DDR3
GDDR5X
Memory Bus
128 bit
320 bit
Bandwidth
32.00 GB/s
440.3 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
2.5 MB
Performance
Pixel Rate
7.520 GPixel/s
134.6 GPixel/s
Texture Rate
22.56 GTexel/s
336.6 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
10.77 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
336.6 GFLOPS (1:32)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
168.3 GFLOPS (1:64)
Power
TDP
—
250 W
TDP (W)
—
250
Suggested PSU
—
600 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
GCN 3.0
Pascal
GPU Name
Topaz
GP102
Generation
Gem System
(R5 M200)
Mining GPUs
Process Size
28 nm
16 nm
Transistors
1,550 million
11,800 million
Die Size
125 mm²
471 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
25.1M / 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
—
6.1
Shader Model
6.5
6.8
Physical
Slot Width
—
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
—
Successor
Polaris Mobile
—