GPU Comparison
RADEON
AMD Radeon Pro 455
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
—
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
VS
RADEON
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
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 455
R7 250
Core Specs
Shading Units
768
512
-33.3%
Shaders
768
512
-33.3%
TMUs
48
32
-33.3%
ROPs
16
16
0.0%
Compute Units
12
8
-33.3%
Clocks
GPU Clock
855 MHz
925 MHz
Memory Clock
1270 MHz
5.1 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
81.28 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
256 KB
Performance
Pixel Rate
13.68 GPixel/s
14.80 GPixel/s
Texture Rate
41.04 GTexel/s
29.60 GTexel/s
FP32 (TFLOPS)
1,313.3 GFLOPS
947.2 GFLOPS
FP64 (TFLOPS)
82.08 GFLOPS (1:16)
59.20 GFLOPS (1:16)
FP16 (TFLOPS)
1,313.3 GFLOPS (1:1)
—
Power
TDP
35 W
55 W
TDP (W)
35
55
+57.1%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 1.0
GPU Name
Baffin
Cape Verde
Generation
Radeon Pro Mac
(400 Series)
Volcanic Islands
(R7 200)
Process Size
14 nm
28 nm
Transistors
3,000 million
1,500 million
Die Size
123 mm²
123 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
12.2M / mm²
API Support
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.170
OpenCL
2.1
2.1 (1.2)
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
MXM Module
Single-slot
Length
—
168 mm
6.6 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Sea Islands
Successor
—
Pirate Islands