GPU Comparison
RADEON
AMD Radeon RX 480
CORE STATE
Ellesmere
VRAM
8 GB
CLOCK SPEED
1266 MHz
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
VS
GEFORCE
Tesla K20X
CORE STATE
GK110
VRAM
6 GB
CLOCK SPEED
—
TDP
235 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 480
Tesla K20X
Core Specs
Shading Units
2,304
2,688
+16.7%
Shaders
2,304
2,688
+16.7%
TMUs
144
224
+55.6%
ROPs
32
48
+50.0%
Compute Units
36
—
Clocks
Base Clock
1120 MHz
—
Boost Clock
1266 MHz
—
GPU Clock
—
732 MHz
Memory Clock
2000 MHz
8 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
8 GB
6 GB
VRAM (MB)
8,192
6,144
-25.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
384 bit
Bandwidth
256.0 GB/s
249.6 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
2 MB
1536 KB
Performance
Pixel Rate
40.51 GPixel/s
40.99 GPixel/s
Texture Rate
182.3 GTexel/s
164.0 GTexel/s
FP32 (TFLOPS)
5.834 TFLOPS
3.935 TFLOPS
FP64 (TFLOPS)
364.6 GFLOPS (1:16)
1,311.7 GFLOPS (1:3)
FP16 (TFLOPS)
5.834 TFLOPS (1:1)
—
Power
TDP
150 W
235 W
TDP (W)
150
235
+56.7%
Suggested PSU
450 W
550 W
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Ellesmere
GK110
Generation
Arctic Islands
(RX 400)
Tesla Kepler
(Kxx)
Process Size
14 nm
28 nm
Transistors
5,700 million
7,080 million
Die Size
232 mm²
561 mm²
Foundry
GlobalFoundries
TSMC
Density
24.6M / mm²
12.6M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.5
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
240 mm
9.4 inches
267 mm
10.5 inches
Height
95 mm
3.7 inches
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
229 USD
7,699 USD
Production
End-of-life
End-of-life
Predecessor
Pirate Islands
Tesla Fermi
Successor
Polaris
Tesla Maxwell