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
RADEON
Radeon RX 6800 XT
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2250 MHz
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 480
RX 6800 XT
Core Specs
Shading Units
2,304
4,608
+100.0%
Shaders
2,304
4,608
+100.0%
TMUs
144
288
+100.0%
ROPs
32
128
+300.0%
Compute Units
36
72
+100.0%
Clocks
Base Clock
1120 MHz
1825 MHz
Boost Clock
1266 MHz
2250 MHz
Game Clock
—
2015 MHz
Memory Clock
2000 MHz
8 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
256.0 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
4 MB
L3 Cache
—
128 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
40.51 GPixel/s
288.0 GPixel/s
Texture Rate
182.3 GTexel/s
648.0 GTexel/s
FP32 (TFLOPS)
5.834 TFLOPS
20.74 TFLOPS
FP64 (TFLOPS)
364.6 GFLOPS (1:16)
1,296.0 GFLOPS (1:16)
FP16 (TFLOPS)
5.834 TFLOPS (1:1)
41.47 TFLOPS (2:1)
AI/RT
RT Cores
—
72
Power
TDP
150 W
300 W
TDP (W)
150
300
+100.0%
Suggested PSU
450 W
700 W
Power Connectors
1x 6-pin
2x 8-pin
Architecture
Architecture
GCN 4.0
RDNA 2.0
GPU Name
Ellesmere
Navi 21
Generation
Arctic Islands
(RX 400)
Navi II
(RX 6000)
Process Size
14 nm
7 nm
Transistors
5,700 million
26,800 million
Die Size
232 mm²
520 mm²
Foundry
GlobalFoundries
TSMC
Density
24.6M / mm²
51.5M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.1
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
240 mm
9.4 inches
267 mm
10.5 inches
Height
95 mm
3.7 inches
120 mm
4.7 inches
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
229 USD
649 USD
Production
End-of-life
End-of-life
Predecessor
Pirate Islands
Navi
Successor
Polaris
Navi III