GPU Comparison
RADEON
AMD Radeon R6 M255DX
CORE STATE
Jet
VRAM
System Shared
CLOCK SPEED
855 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Quadro K4000
CORE STATE
GK106
VRAM
3 GB
CLOCK SPEED
—
TDP
80 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
Quadro K4000
Core Specs
Shading Units
320
768
+140.0%
Shaders
320
768
+140.0%
TMUs
20
64
+220.0%
ROPs
8
24
+200.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
—
Boost Clock
855 MHz
—
GPU Clock
—
810 MHz
Memory Clock
System Shared
1404 MHz
5.6 Gbps effective
Memory
Memory Size
System Shared
3 GB
VRAM (MB)
—
3,072
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
192 bit
Bandwidth
System Dependent
134.8 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
128 KB
384 KB
Performance
Pixel Rate
6.840 GPixel/s
12.96 GPixel/s
Texture Rate
17.10 GTexel/s
51.84 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
1,244.2 GFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
51.84 GFLOPS (1:24)
Power
TDP
—
80 W
TDP (W)
—
80
Suggested PSU
—
250 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Jet
GK106
Generation
Gem System Hybrid
(Rx M200)
Quadro Kepler
(Kx000)
Process Size
28 nm
28 nm
Transistors
690 million
2,540 million
Die Size
56 mm²
221 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
11.5M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
IGP
Single-slot
Length
—
241 mm
9.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI2x DisplayPort 1.2
Bus Interface
IGP
PCIe 2.0 x16
Other
Launch Price
—
1,269 USD
Production
End-of-life
End-of-life
Predecessor
—
Quadro Fermi
Successor
—
Quadro Maxwell