GPU Comparison
RADEON
AMD Radeon HD 6770
CORE STATE
Juniper
VRAM
1024 MB
CLOCK SPEED
—
TDP
108 W
BUS WIDTH
128 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2011
VS
RADEON
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
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
RX 480
Core Specs
Shading Units
800
2,304
+188.0%
Shaders
800
2,304
+188.0%
TMUs
40
144
+260.0%
ROPs
16
32
+100.0%
Compute Units
10
36
+260.0%
Clocks
Base Clock
—
1120 MHz
Boost Clock
—
1266 MHz
GPU Clock
850 MHz
—
Memory Clock
1200 MHz
4.8 Gbps effective
2000 MHz
8 Gbps effective
Memory
Memory Size
1024 MB
8 GB
VRAM (MB)
1,024
8,192
+700.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
76.80 GB/s
256.0 GB/s
Cache
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
13.60 GPixel/s
40.51 GPixel/s
Texture Rate
34.00 GTexel/s
182.3 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
5.834 TFLOPS
FP64 (TFLOPS)
—
364.6 GFLOPS (1:16)
FP16 (TFLOPS)
—
5.834 TFLOPS (1:1)
Power
TDP
108 W
150 W
TDP (W)
108
150
+38.9%
Suggested PSU
300 W
450 W
Power Connectors
1x 6-pin
1x 6-pin
Architecture
Architecture
TeraScale 2
GCN 4.0
GPU Name
Juniper
Ellesmere
Generation
Northern Islands
(HD 6700)
Arctic Islands
(RX 400)
Process Size
40 nm
14 nm
Transistors
1,040 million
5,700 million
Die Size
166 mm²
232 mm²
Foundry
TSMC
GlobalFoundries
Density
6.3M / mm²
24.6M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
Vulkan
—
1.3
OpenCL
1.2
2.1
Shader Model
5.0
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
198 mm
7.8 inches
240 mm
9.4 inches
Height
—
95 mm
3.7 inches
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
129 USD
229 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Pirate Islands
Successor
Southern Islands
Polaris