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
Quadro K4000M
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
601 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
Quadro K4000M
Core Specs
Shading Units
384
960
+150.0%
Shaders
384
960
+150.0%
TMUs
24
80
+233.3%
ROPs
8
32
+300.0%
Compute Units
6
—
Clocks
Base Clock
925 MHz
601 MHz
Boost Clock
940 MHz
601 MHz
Memory Clock
1000 MHz
2 Gbps effective
700 MHz
2.8 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
32.00 GB/s
89.60 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
7.520 GPixel/s
12.02 GPixel/s
Texture Rate
22.56 GTexel/s
48.08 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
1,153.9 GFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
48.08 GFLOPS (1:24)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
—
Power
TDP
—
100 W
TDP (W)
—
100
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
Kepler
GPU Name
Topaz
GK104
Generation
Gem System
(R5 M200)
Quadro Kepler-M
(Kx000M)
Process Size
28 nm
28 nm
Transistors
1,550 million
3,540 million
Die Size
125 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
12.0M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.0
Shader Model
6.5
6.5 (5.1)
Physical
Slot Width
—
MXM Module
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Quadro Fermi-M
Successor
Polaris Mobile
Quadro Maxwell-M