GPU Comparison
RADEON
AMD Radeon R7 250
CORE STATE
Cape Verde
VRAM
1024 MB
CLOCK SPEED
—
TDP
55 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
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
R7 250
Quadro K4000M
Core Specs
Shading Units
512
960
+87.5%
Shaders
512
960
+87.5%
TMUs
32
80
+150.0%
ROPs
16
32
+100.0%
Compute Units
8
—
Clocks
Base Clock
—
601 MHz
Boost Clock
—
601 MHz
GPU Clock
925 MHz
—
Memory Clock
900 MHz
1800 Mbps effective
700 MHz
2.8 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
28.80 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
14.80 GPixel/s
12.02 GPixel/s
Texture Rate
29.60 GTexel/s
48.08 GTexel/s
FP32 (TFLOPS)
947.2 GFLOPS
1,153.9 GFLOPS
FP64 (TFLOPS)
59.20 GFLOPS (1:16)
48.08 GFLOPS (1:24)
Power
TDP
55 W
100 W
TDP (W)
55
100
+81.8%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Cape Verde
GK104
Generation
Volcanic Islands
(R7 200)
Quadro Kepler-M
(Kx000M)
Process Size
28 nm
28 nm
Transistors
1,500 million
3,540 million
Die Size
123 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.2M / 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
Single-slot
MXM Module
Length
168 mm
6.6 inches
—
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Sea Islands
Quadro Fermi-M
Successor
Pirate Islands
Quadro Maxwell-M