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GPU Comparison
AMD Radeon RX 6800 vs AMD Radeon HD 6770
AMD Radeon RX 6800 vs AMD Radeon HD 6770
VS
AMD Radeon RX 6800
AMD Radeon HD 6770
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800 's Advantages
Released 9 years and 9 months late
Boost Clock2105MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (512.0GB/s vs 76.80GB/s)
3040 additional rendering cores
AMD Radeon HD 6770 's Advantages
Lower TDP (108W vs 250W)
Score
Benchmark
FP32 (float)
Radeon RX 6800
+1088%
16.17 TFLOPS
Radeon HD 6770
1.36 TFLOPS
Radeon RX 6800
VS
Radeon HD 6770
Graphics Card
Oct 2020
Release Date
Jan 2011
Navi II
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1700 MHz
Base Clock
-
2105 MHz
Boost Clock
-
2000 MHz
Memory Clock
1200 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
76.80GB/s
Render Config
-
SM Count
-
60
Compute Units
10
3840
Shading Units
800
240
TMUs
40
96
ROPs
16
-
Tensor Cores
-
60
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
256 KB
Theoretical Performance
202.1 GPixel/s
Pixel Rate
13.60 GPixel/s
505.2 GTexel/s
Texture Rate
34.00 GTexel/s
32.33 TFLOPS
FP16 (half)
-
16.17 TFLOPS
FP32 (float)
1360 GFLOPS
1010 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 21
GPU Name
Juniper
Navi 21 XL (215-121000187)
GPU Variant
Juniper XT (215-0754013)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
26.8 billion
Transistors
1.04 billion
520 mm²
Die Size
166 mm²
Board Design
250W
TDP
108W
600 W
Suggested PSU
300 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
2x 8-pin
Power Connectors
1x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
CUDA
-
6.5
Shader Model
5.0
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