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 PRO W6400
CORE STATE
Navi 24
VRAM
4 GB
CLOCK SPEED
2321 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
PRO W6400
Core Specs
Shading Units
800
768
-4.0%
Shaders
800
768
-4.0%
TMUs
40
48
+20.0%
ROPs
16
32
+100.0%
Compute Units
10
12
+20.0%
Clocks
Base Clock
—
2039 MHz
Boost Clock
—
2321 MHz
GPU Clock
850 MHz
—
Memory Clock
1200 MHz
4.8 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
76.80 GB/s
128.0 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
256 KB
1024 KB
L3 Cache
—
8 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
13.60 GPixel/s
74.27 GPixel/s
Texture Rate
34.00 GTexel/s
111.4 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
3.565 TFLOPS
FP64 (TFLOPS)
—
222.8 GFLOPS (1:16)
FP16 (TFLOPS)
—
7.130 TFLOPS (2:1)
AI/RT
RT Cores
—
12
Power
TDP
108 W
50 W
TDP (W)
108
50
-53.7%
Suggested PSU
300 W
250 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
TeraScale 2
RDNA 2.0
GPU Name
Juniper
Navi 24
Generation
Northern Islands
(HD 6700)
Radeon Pro Navi
(Navi II Series)
Process Size
40 nm
6 nm
Transistors
1,040 million
5,400 million
Die Size
166 mm²
107 mm²
Foundry
TSMC
TSMC
Density
6.3M / mm²
50.5M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
2.2
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
198 mm
7.8 inches
—
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
2x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x4
Other
Launch Price
129 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
Radeon Pro Vega
Successor
Southern Islands
—