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
GRID K2
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
GRID K2
Core Specs
Shading Units
320
1,536
+380.0%
Shaders
320
1,536
+380.0%
TMUs
20
128
+540.0%
ROPs
8
32
+300.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
—
Boost Clock
855 MHz
—
GPU Clock
—
745 MHz
Memory Clock
System Shared
1250 MHz
5 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
128 KB
512 KB
Performance
Pixel Rate
6.840 GPixel/s
23.84 GPixel/s
Texture Rate
17.10 GTexel/s
95.36 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
2.289 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
95.36 GFLOPS (1:24)
Power
TDP
—
225 W
TDP (W)
—
225
Suggested PSU
—
550 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Jet
GK104
Generation
Gem System Hybrid
(Rx M200)
GRID
(K2)
Process Size
28 nm
28 nm
Transistors
690 million
3,540 million
Die Size
56 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.0M / 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
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
IGP
PCIe 3.0 x16
Other
Launch Price
—
5,199 USD
Production
End-of-life
End-of-life