GPU Comparison
RADEON
AMD Radeon R9 M265X
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
625 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Tesla M40
CORE STATE
GM200
VRAM
12 GB
CLOCK SPEED
1112 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M265X
Tesla M40
Core Specs
Shading Units
640
3,072
+380.0%
Shaders
640
3,072
+380.0%
TMUs
40
192
+380.0%
ROPs
16
96
+500.0%
Compute Units
10
—
Clocks
Base Clock
575 MHz
948 MHz
Boost Clock
625 MHz
1112 MHz
Memory Clock
1000 MHz
4 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
64.00 GB/s
288.4 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
256 KB
3 MB
Performance
Pixel Rate
10.00 GPixel/s
106.8 GPixel/s
Texture Rate
25.00 GTexel/s
213.5 GTexel/s
FP32 (TFLOPS)
800.0 GFLOPS
6.832 TFLOPS
FP64 (TFLOPS)
50.00 GFLOPS (1:16)
213.5 GFLOPS (1:32)
Power
TDP
—
250 W
TDP (W)
—
250
Suggested PSU
—
600 W
Power Connectors
—
8-pin EPS
Architecture
Architecture
GCN 1.0
Maxwell 2.0
GPU Name
Venus
GM200
Generation
Gem System
(R9 M200)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
1,500 million
8,000 million
Die Size
123 mm²
601 mm²
Foundry
TSMC
TSMC
Density
12.2M / 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
—
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Tesla Kepler
Successor
Polaris Mobile
Tesla Pascal