Home GPU Comparison ATI Radeon HD 3870 AGP vs NVIDIA CMP 40HX

ATI Radeon HD 3870 AGP vs NVIDIA CMP 40HX

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages
Lower TDP (106W vs 185W)
NVIDIA CMP 40HX 's Advantages
Boost Clock1650MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (448.0GB/s vs 72.06GB/s)
1984 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 3870 AGP
0.497 TFLOPS
CMP 40HX +1429%
7.603 TFLOPS
VS

Graphics Card

Unknown
Release Date
Feb 2021
Radeon R600
Generation
Mining GPUs
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1470 MHz
-
Boost Clock
1650 MHz
1126 MHz
Memory Clock
1750 MHz

Memory

512MB
Memory Size
8GB
GDDR4
Memory Type
GDDR6
256bit
Memory Bus
256bit
72.06GB/s
Bandwidth
448.0GB/s

Render Config

4
Compute Units
-
-
SM Count
36
320
Shading Units
2304
16
TMUs
144
16
ROPs
64
-
Tensor Cores
288
-
RT Cores
36
-
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
4 MB
-
-
-

Theoretical Performance

12.43 GPixel/s
Pixel Rate
105.6 GPixel/s
12.43 GTexel/s
Texture Rate
237.6 GTexel/s
-
FP16 (half)
15.21 TFLOPS
497.3 GFLOPS
FP32 (float)
7.603 TFLOPS
99.46 GFLOPS
FP64 (double)
237.6 GFLOPS

Board Design

106W
TDP
185W
300 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
No outputs
1x 8-pin
Power Connectors
1x 8-pin

Graphics Processor

RV670
GPU Name
TU106
RV670 XT (215-0708005)
GPU Variant
TU106-100-A1
TeraScale
Architecture
Turing
TSMC
Foundry
TSMC
55 nm
Process Size
12 nm
0.666 billion
Transistors
10.8 billion
192 mm²
Die Size
445 mm²

Graphics Features

10.1 (10_1)
DirectX
12 Ultimate (12_2)
3.3 (full) 4.0 (partial)
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
7.5
4.1
Shader Model
6.6

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