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GPU Comparison
AMD Radeon RX 6600 vs ATI Radeon HD 4860
AMD Radeon RX 6600 vs ATI Radeon HD 4860
VS
AMD Radeon RX 6600
ATI Radeon HD 4860
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 512MB VRAM Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 's Advantages
Released 12 years and 1 months late
Boost Clock2491MHz
Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)
1152 additional rendering cores
ATI Radeon HD 4860 's Advantages
Lower TDP (130W vs 132W)
Score
Benchmark
FP32 (float)
Radeon RX 6600
+896%
8.928 TFLOPS
Radeon HD 4860
0.896 TFLOPS
Radeon RX 6600
VS
Radeon HD 4860
Graphics Card
Oct 2021
Release Date
Sep 2009
Navi II
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1626 MHz
Base Clock
-
2491 MHz
Boost Clock
-
1750 MHz
Memory Clock
750 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
256bit
224.0GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
28
Compute Units
8
1792
Shading Units
640
112
TMUs
32
64
ROPs
16
-
Tensor Cores
-
28
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
159.4 GPixel/s
Pixel Rate
11.20 GPixel/s
279.0 GTexel/s
Texture Rate
22.40 GTexel/s
17.86 TFLOPS
FP16 (half)
-
8.928 TFLOPS
FP32 (float)
896.0 GFLOPS
558.0 GFLOPS
FP64 (double)
179.2 GFLOPS
Graphics Processor
Navi 23
GPU Name
RV790
Navi 23 XL (215-130000016)
GPU Variant
RV790 GT
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
11.06 billion
Transistors
0.959 billion
237 mm²
Die Size
282 mm²
Board Design
132W
TDP
130W
300 W
Suggested PSU
300 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
1x 8-pin
Power Connectors
2x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
-
6.5
Shader Model
4.1
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5
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6
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7
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