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
GeForce GTX 980 Ti
CORE STATE
GM200
VRAM
6 GB
CLOCK SPEED
1076 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
GTX 980 Ti
Core Specs
Shading Units
320
2,816
+780.0%
Shaders
320
2,816
+780.0%
TMUs
20
176
+780.0%
ROPs
8
96
+1100.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
1000 MHz
Boost Clock
855 MHz
1076 MHz
Memory Clock
System Shared
1753 MHz
7 Gbps effective
Memory
Memory Size
System Shared
6 GB
VRAM (MB)
—
6,144
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
336.6 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
128 KB
3 MB
Performance
Pixel Rate
6.840 GPixel/s
103.3 GPixel/s
Texture Rate
17.10 GTexel/s
189.4 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
6.060 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
189.4 GFLOPS (1:32)
Power
TDP
—
250 W
TDP (W)
—
250
Suggested PSU
—
600 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Maxwell 2.0
GPU Name
Jet
GM200
Generation
Gem System Hybrid
(Rx M200)
GeForce 900
Process Size
28 nm
28 nm
Transistors
690 million
8,000 million
Die Size
56 mm²
601 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.3M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.03x DisplayPort 1.2
Bus Interface
IGP
PCIe 3.0 x16
Other
Launch Price
—
649 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 700
Successor
—
GeForce 10