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
P106-100
CORE STATE
GP106
VRAM
6 GB
CLOCK SPEED
1709 MHz
TDP
120 W
BUS WIDTH
192 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
P106-100
Core Specs
Shading Units
384
1,280
+233.3%
Shaders
384
1,280
+233.3%
TMUs
24
80
+233.3%
ROPs
8
48
+500.0%
Compute Units
6
—
SM Count
—
10
Clocks
Base Clock
925 MHz
1506 MHz
Boost Clock
940 MHz
1709 MHz
Memory Clock
1000 MHz
2 Gbps effective
2002 MHz
8 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
32.00 GB/s
192.2 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
7.520 GPixel/s
82.03 GPixel/s
Texture Rate
22.56 GTexel/s
136.7 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
4.375 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
136.7 GFLOPS (1:32)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
68.36 GFLOPS (1:64)
Power
TDP
—
120 W
TDP (W)
—
120
Suggested PSU
—
300 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 3.0
Pascal
GPU Name
Topaz
GP106
Generation
Gem System
(R5 M200)
Mining GPUs
Process Size
28 nm
16 nm
Transistors
1,550 million
4,400 million
Die Size
125 mm²
200 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
22.0M / 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
—
250 mm
9.8 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
—
Successor
Polaris Mobile
—